chore: Update SDK documentation (#2129)

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13 changed files with 423 additions and 157 deletions

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@ -105,7 +105,7 @@ fastmcp inspect # auto-detect fastmcp.json
- `server_spec`: Python file to inspect, optionally with \:object suffix, or fastmcp.json
### `prepare` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/cli/cli.py#L781" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `prepare` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/cli/cli.py#L785" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
prepare(config_path: Annotated[str | None, cyclopts.Parameter(help='Path to fastmcp.json configuration file')] = None, output_dir: Annotated[str | None, cyclopts.Parameter(help='Directory to create the persistent environment in')] = None, skip_source: Annotated[bool, cyclopts.Parameter(help='Skip source preparation (e.g., git clone)')] = False) -> None

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@ -57,10 +57,10 @@ to_mcp_prompt(self, **overrides: Any) -> MCPPrompt
Convert the prompt to an MCP prompt.
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L114" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L115" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(fn: Callable[..., PromptResult | Awaitable[PromptResult]], name: str | None = None, title: str | None = None, description: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, meta: dict[str, Any] | None = None) -> FunctionPrompt
from_function(fn: Callable[..., PromptResult | Awaitable[PromptResult]], name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, tags: set[str] | None = None, enabled: bool | None = None, meta: dict[str, Any] | None = None) -> FunctionPrompt
```
Create a Prompt from a function.
@ -72,7 +72,7 @@ The function can return:
- A sequence of any of the above
#### `render` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L141" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `render` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L144" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
render(self, arguments: dict[str, Any] | None = None) -> list[PromptMessage]
@ -84,7 +84,7 @@ This method is not implemented in the base Prompt class and must be
implemented by subclasses.
### `FunctionPrompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L153" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FunctionPrompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L156" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
A prompt that is a function.
@ -92,10 +92,10 @@ A prompt that is a function.
**Methods:**
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L159" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L162" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(cls, fn: Callable[..., PromptResult | Awaitable[PromptResult]], name: str | None = None, title: str | None = None, description: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, meta: dict[str, Any] | None = None) -> FunctionPrompt
from_function(cls, fn: Callable[..., PromptResult | Awaitable[PromptResult]], name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, tags: set[str] | None = None, enabled: bool | None = None, meta: dict[str, Any] | None = None) -> FunctionPrompt
```
Create a Prompt from a function.
@ -107,7 +107,7 @@ The function can return:
- A sequence of any of the above
#### `render` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L319" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `render` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/prompts/prompt.py#L324" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
render(self, arguments: dict[str, Any] | None = None) -> list[PromptMessage]

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@ -33,10 +33,10 @@ disable(self) -> None
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L69" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(fn: Callable[..., Any], uri: str | AnyUrl, name: str | None = None, title: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResource
from_function(fn: Callable[..., Any], uri: str | AnyUrl, name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResource
```
#### `set_default_mime_type` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L96" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `set_default_mime_type` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L98" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
set_default_mime_type(cls, mime_type: str | None) -> str
@ -45,7 +45,7 @@ set_default_mime_type(cls, mime_type: str | None) -> str
Set default MIME type if not provided.
#### `set_default_name` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L103" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `set_default_name` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L105" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
set_default_name(self) -> Self
@ -54,7 +54,7 @@ set_default_name(self) -> Self
Set default name from URI if not provided.
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L113" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L115" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
read(self) -> str | bytes
@ -66,7 +66,7 @@ This method is not implemented in the base Resource class and must be
implemented by subclasses.
#### `to_mcp_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L121" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `to_mcp_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L123" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
to_mcp_resource(self, **overrides: Any) -> MCPResource
@ -75,7 +75,7 @@ to_mcp_resource(self, **overrides: Any) -> MCPResource
Convert the resource to an MCPResource.
#### `key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L145" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L148" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
key(self) -> str
@ -87,7 +87,7 @@ keys having a certain value, as the same tool loaded from different
hierarchies of servers may have different keys.
### `FunctionResource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L155" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FunctionResource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L158" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
A resource that defers data loading by wrapping a function.
@ -104,16 +104,16 @@ The function can return:
**Methods:**
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L171" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L174" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(cls, fn: Callable[..., Any], uri: str | AnyUrl, name: str | None = None, title: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResource
from_function(cls, fn: Callable[..., Any], uri: str | AnyUrl, name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResource
```
Create a FunctionResource from a function.
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L200" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/resource.py#L205" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
read(self) -> str | bytes

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@ -74,10 +74,10 @@ disable(self) -> None
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L130" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(fn: Callable[..., Any], uri_template: str, name: str | None = None, title: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResourceTemplate
from_function(fn: Callable[..., Any], uri_template: str, name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResourceTemplate
```
#### `set_default_mime_type` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L157" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `set_default_mime_type` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L159" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
set_default_mime_type(cls, mime_type: str | None) -> str
@ -86,7 +86,7 @@ set_default_mime_type(cls, mime_type: str | None) -> str
Set default MIME type if not provided.
#### `matches` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L163" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `matches` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L165" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
matches(self, uri: str) -> dict[str, Any] | None
@ -95,7 +95,7 @@ matches(self, uri: str) -> dict[str, Any] | None
Check if URI matches template and extract parameters.
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L167" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L169" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
read(self, arguments: dict[str, Any]) -> str | bytes
@ -104,7 +104,7 @@ read(self, arguments: dict[str, Any]) -> str | bytes
Read the resource content.
#### `create_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L173" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `create_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L175" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_resource(self, uri: str, params: dict[str, Any]) -> Resource
@ -113,7 +113,7 @@ create_resource(self, uri: str, params: dict[str, Any]) -> Resource
Create a resource from the template with the given parameters.
#### `to_mcp_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L191" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `to_mcp_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L193" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
to_mcp_template(self, **overrides: Any) -> MCPResourceTemplate
@ -122,7 +122,7 @@ to_mcp_template(self, **overrides: Any) -> MCPResourceTemplate
Convert the resource template to an MCPResourceTemplate.
#### `from_mcp_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L212" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_mcp_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L215" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_mcp_template(cls, mcp_template: MCPResourceTemplate) -> ResourceTemplate
@ -131,7 +131,7 @@ from_mcp_template(cls, mcp_template: MCPResourceTemplate) -> ResourceTemplate
Creates a FastMCP ResourceTemplate from a raw MCP ResourceTemplate object.
#### `key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L225" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L228" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
key(self) -> str
@ -143,7 +143,7 @@ keys having a certain value, as the same tool loaded from different
hierarchies of servers may have different keys.
### `FunctionResourceTemplate` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L235" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FunctionResourceTemplate` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L238" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
A template for dynamically creating resources.
@ -151,7 +151,7 @@ A template for dynamically creating resources.
**Methods:**
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L240" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `read` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L243" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
read(self, arguments: dict[str, Any]) -> str | bytes
@ -160,10 +160,10 @@ read(self, arguments: dict[str, Any]) -> str | bytes
Read the resource content.
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L281" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/resources/template.py#L284" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(cls, fn: Callable[..., Any], uri_template: str, name: str | None = None, title: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResourceTemplate
from_function(cls, fn: Callable[..., Any], uri_template: str, name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, mime_type: str | None = None, tags: set[str] | None = None, enabled: bool | None = None, annotations: Annotations | None = None, meta: dict[str, Any] | None = None) -> FunctionResourceTemplate
```
Create a template from a function.

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@ -0,0 +1,195 @@
---
title: jwt_issuer
sidebarTitle: jwt_issuer
---
# `fastmcp.server.auth.jwt_issuer`
JWT token issuance and verification for FastMCP OAuth Proxy.
This module implements the token factory pattern for OAuth proxies, where the proxy
issues its own JWT tokens to clients instead of forwarding upstream provider tokens.
This maintains proper OAuth 2.0 token audience boundaries.
## Functions
### `derive_jwt_key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L25" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
derive_jwt_key(upstream_secret: str, server_salt: str) -> bytes
```
Derive JWT signing key from upstream client secret and server salt.
Uses HKDF (RFC 5869) to derive a cryptographically secure signing key from
the upstream OAuth client secret combined with a server-specific salt.
**Args:**
- `upstream_secret`: The OAuth client secret from upstream provider
- `server_salt`: Random salt unique to this server instance
**Returns:**
- 32-byte key suitable for HS256 JWT signing
### `derive_encryption_key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L46" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
derive_encryption_key(upstream_secret: str) -> bytes
```
Derive Fernet encryption key from upstream client secret.
Uses HKDF to derive a cryptographically secure encryption key for
encrypting upstream tokens at rest.
**Args:**
- `upstream_secret`: The OAuth client secret from upstream provider
**Returns:**
- 32-byte Fernet key (base64url-encoded)
### `derive_key_from_secret` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L67" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
derive_key_from_secret(secret: str | bytes, salt: str, info: bytes) -> bytes
```
Derive 32-byte key from user-provided secret (string or bytes).
Accepts any length input and derives a proper cryptographic key.
Uses HKDF to stretch weak inputs into strong keys.
**Args:**
- `secret`: User-provided secret (any string or bytes)
- `salt`: Application-specific salt string
- `info`: Key purpose identifier
**Returns:**
- 32-byte key suitable for HS256 JWT signing or Fernet encryption
## Classes
### `JWTIssuer` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L90" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Issues and validates FastMCP-signed JWT tokens using HS256.
This issuer creates JWT tokens for MCP clients with proper audience claims,
maintaining OAuth 2.0 token boundaries. Tokens are signed with HS256 using
a key derived from the upstream client secret.
**Methods:**
#### `issue_access_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L116" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
issue_access_token(self, client_id: str, scopes: list[str], jti: str, expires_in: int = 3600) -> str
```
Issue a minimal FastMCP access token.
FastMCP tokens are reference tokens containing only the minimal claims
needed for validation and lookup. The JTI maps to the upstream token
which contains actual user identity and authorization data.
**Args:**
- `client_id`: MCP client ID
- `scopes`: Token scopes
- `jti`: Unique token identifier (maps to upstream token)
- `expires_in`: Token lifetime in seconds
**Returns:**
- Signed JWT token
#### `issue_refresh_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L163" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
issue_refresh_token(self, client_id: str, scopes: list[str], jti: str, expires_in: int) -> str
```
Issue a minimal FastMCP refresh token.
FastMCP refresh tokens are reference tokens containing only the minimal
claims needed for validation and lookup. The JTI maps to the upstream
token which contains actual user identity and authorization data.
**Args:**
- `client_id`: MCP client ID
- `scopes`: Token scopes
- `jti`: Unique token identifier (maps to upstream token)
- `expires_in`: Token lifetime in seconds (should match upstream refresh expiry)
**Returns:**
- Signed JWT token
#### `verify_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L211" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
verify_token(self, token: str) -> dict[str, Any]
```
Verify and decode a FastMCP token.
Validates JWT signature, expiration, issuer, and audience.
**Args:**
- `token`: JWT token to verify
**Returns:**
- Decoded token payload
**Raises:**
- `JoseError`: If token is invalid, expired, or has wrong claims
### `TokenEncryption` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L255" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Handles encryption/decryption of upstream OAuth tokens at rest.
**Methods:**
#### `encrypt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L266" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
encrypt(self, token: str) -> bytes
```
Encrypt a token for storage.
**Args:**
- `token`: Plain text token
**Returns:**
- Encrypted token bytes
#### `decrypt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/jwt_issuer.py#L277" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
decrypt(self, encrypted_token: bytes) -> str
```
Decrypt a token from storage.
**Args:**
- `encrypted_token`: Encrypted token bytes
**Returns:**
- Plain text token
**Raises:**
- `cryptography.fernet.InvalidToken`: If token is corrupted or key is wrong

View file

@ -26,10 +26,10 @@ production use with enterprise identity providers.
## Functions
### `create_consent_html` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L192" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_consent_html` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L229" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_consent_html(client_id: str, redirect_uri: str, scopes: list[str], txn_id: str, csrf_token: str, client_name: str | None = None, title: str = 'Authorization Consent') -> str
create_consent_html(client_id: str, redirect_uri: str, scopes: list[str], txn_id: str, csrf_token: str, client_name: str | None = None, title: str = 'Authorization Consent', server_name: str | None = None, server_icon_url: str | None = None, server_website_url: str | None = None) -> str
```
@ -38,7 +38,7 @@ Create a styled HTML consent page for OAuth authorization requests.
## Classes
### `OAuthTransaction` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L98" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `OAuthTransaction` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L102" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
OAuth transaction state for consent flow.
@ -47,7 +47,7 @@ Stored server-side to track active authorization flows with client context.
Includes CSRF tokens for consent protection per MCP security best practices.
### `ClientCode` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L119" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `ClientCode` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L123" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Client authorization code with PKCE and upstream tokens.
@ -56,7 +56,25 @@ Stored server-side after upstream IdP callback. Contains the upstream
tokens bound to the client's PKCE challenge for secure token exchange.
### `ProxyDCRClient` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L137" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `UpstreamTokenSet` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L141" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Stored upstream OAuth tokens from identity provider.
These tokens are obtained from the upstream provider (Google, GitHub, etc.)
and are stored encrypted at rest. They are never exposed to MCP clients.
### `JTIMapping` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L162" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Maps FastMCP token JTI to upstream token ID.
This allows stateless JWT validation while still being able to look up
the corresponding upstream token when tools need to access upstream APIs.
### `ProxyDCRClient` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L174" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Client for DCR proxy with configurable redirect URI validation.
@ -86,7 +104,7 @@ arise from accepting arbitrary redirect URIs.
**Methods:**
#### `validate_redirect_uri` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L166" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `validate_redirect_uri` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L203" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
validate_redirect_uri(self, redirect_uri: AnyUrl | None) -> AnyUrl
@ -100,7 +118,7 @@ This is essential for cached token scenarios where the client may
reconnect with a different port.
### `TokenHandler` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L293" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `TokenHandler` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L344" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
TokenHandler that returns OAuth 2.1 compliant error responses.
@ -123,7 +141,7 @@ Per MCP spec: "Invalid or expired tokens MUST receive a HTTP 401 response."
**Methods:**
#### `response` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L312" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `response` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L363" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
response(self, obj: TokenSuccessResponse | TokenErrorResponse)
@ -132,7 +150,7 @@ response(self, obj: TokenSuccessResponse | TokenErrorResponse)
Override response method to provide OAuth 2.1 compliant error handling.
### `OAuthProxy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L342" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `OAuthProxy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L393" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
OAuth provider that presents a DCR-compliant interface while proxying to non-DCR IDPs.
@ -242,7 +260,7 @@ Handles provider-specific requirements:
**Methods:**
#### `get_client` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L655" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_client` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L822" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_client(self, client_id: str) -> OAuthClientInformationFull | None
@ -254,7 +272,7 @@ provided to the DCR client during registration, not the upstream client ID.
For unregistered clients, returns None (which will raise an error in the SDK).
#### `register_client` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L670" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `register_client` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L837" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
register_client(self, client_info: OAuthClientInformationFull) -> None
@ -268,7 +286,7 @@ redirect URI will likely be localhost or unknown to the proxied IDP. The
proxied IDP only knows about this server's fixed redirect URI.
#### `authorize` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L716" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `authorize` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L883" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
authorize(self, client: OAuthClientInformationFull, params: AuthorizationParams) -> str
@ -282,7 +300,7 @@ Flow:
3. Consent handler redirects to upstream IdP if approved/already approved
#### `load_authorization_code` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L772" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `load_authorization_code` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L940" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
load_authorization_code(self, client: OAuthClientInformationFull, authorization_code: str) -> AuthorizationCode | None
@ -294,19 +312,25 @@ Look up our client code and return authorization code object
with PKCE challenge for validation.
#### `exchange_authorization_code` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L814" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `exchange_authorization_code` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L982" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
exchange_authorization_code(self, client: OAuthClientInformationFull, authorization_code: AuthorizationCode) -> OAuthToken
```
Exchange authorization code for stored IdP tokens.
Exchange authorization code for FastMCP-issued tokens.
For the DCR-compliant proxy flow, we return the IdP tokens that were obtained
during the IdP callback exchange. PKCE validation is handled by the MCP framework.
Implements the token factory pattern:
1. Retrieves upstream tokens from stored authorization code
2. Extracts user identity from upstream token
3. Encrypts and stores upstream tokens
4. Issues FastMCP-signed JWT tokens
5. Returns FastMCP tokens (NOT upstream tokens)
PKCE validation is handled by the MCP framework before this method is called.
#### `load_refresh_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L881" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `load_refresh_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L1152" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
load_refresh_token(self, client: OAuthClientInformationFull, refresh_token: str) -> RefreshToken | None
@ -315,28 +339,43 @@ load_refresh_token(self, client: OAuthClientInformationFull, refresh_token: str)
Load refresh token from local storage.
#### `exchange_refresh_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L889" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `exchange_refresh_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L1160" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
exchange_refresh_token(self, client: OAuthClientInformationFull, refresh_token: RefreshToken, scopes: list[str]) -> OAuthToken
```
Exchange refresh token for new access token using authlib.
Exchange FastMCP refresh token for new FastMCP access token.
Implements two-tier refresh:
1. Verify FastMCP refresh token
2. Look up upstream token via JTI mapping
3. Refresh upstream token with upstream provider
4. Update stored upstream token
5. Issue new FastMCP access token
6. Keep same FastMCP refresh token (unless upstream rotates)
#### `load_access_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L964" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `load_access_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L1374" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
load_access_token(self, token: str) -> AccessToken | None
```
Validate access token using upstream JWKS.
Validate FastMCP JWT by swapping for upstream token.
Delegates to the JWT verifier which handles signature validation,
expiration checking, and claims validation using the upstream JWKS.
This implements the token swap pattern:
1. Verify FastMCP JWT signature (proves it's our token)
2. Look up upstream token via JTI mapping
3. Decrypt upstream token
4. Validate upstream token with provider (GitHub API, JWT validation, etc.)
5. Return upstream validation result
The FastMCP JWT is a reference token - all authorization data comes
from validating the upstream token via the TokenVerifier.
#### `revoke_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L981" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `revoke_token` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L1438" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
revoke_token(self, token: AccessToken | RefreshToken) -> None
@ -348,7 +387,7 @@ Removes tokens from local storage and attempts to revoke them with
the upstream server if a revocation endpoint is configured.
#### `get_routes` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L1025" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_routes` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/oauth_proxy.py#L1482" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_routes(self, mcp_path: str | None = None) -> list[Route]

View file

@ -10,7 +10,7 @@ Error handling middleware for consistent error responses and tracking.
## Classes
### `ErrorHandlingMiddleware` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L15" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `ErrorHandlingMiddleware` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L17" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Middleware that provides consistent error handling and logging.
@ -21,7 +21,7 @@ proper MCP error responses. Also tracks error patterns for monitoring.
**Methods:**
#### `on_message` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L110" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `on_message` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L112" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
on_message(self, context: MiddlewareContext, call_next: CallNext) -> Any
@ -30,7 +30,7 @@ on_message(self, context: MiddlewareContext, call_next: CallNext) -> Any
Handle errors for all messages.
#### `get_error_stats` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L121" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_error_stats` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L123" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_error_stats(self) -> dict[str, int]
@ -39,7 +39,7 @@ get_error_stats(self) -> dict[str, int]
Get error statistics for monitoring.
### `RetryMiddleware` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L126" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `RetryMiddleware` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L128" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Middleware that implements automatic retry logic for failed requests.
@ -50,7 +50,7 @@ backoff to avoid overwhelming the server or external dependencies.
**Methods:**
#### `on_request` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L182" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `on_request` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/middleware/error_handling.py#L184" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
on_request(self, context: MiddlewareContext, call_next: CallNext) -> Any

View file

@ -26,7 +26,7 @@ Default lifespan context manager that does nothing.
- An empty dictionary as the lifespan result.
### `add_resource_prefix` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2656" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `add_resource_prefix` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2684" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_resource_prefix(uri: str, prefix: str, prefix_format: Literal['protocol', 'path'] | None = None) -> str
@ -64,7 +64,7 @@ add_resource_prefix("resource:///absolute/path", "prefix")
- `ValueError`: If the URI doesn't match the expected protocol\://path format
### `remove_resource_prefix` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2716" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `remove_resource_prefix` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2744" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
remove_resource_prefix(uri: str, prefix: str, prefix_format: Literal['protocol', 'path'] | None = None) -> str
@ -103,7 +103,7 @@ remove_resource_prefix("resource://prefix//absolute/path", "prefix")
- `ValueError`: If the URI doesn't match the expected protocol\://path format
### `has_resource_prefix` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2783" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `has_resource_prefix` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2811" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
has_resource_prefix(uri: str, prefix: str, prefix_format: Literal['protocol', 'path'] | None = None) -> bool
@ -147,37 +147,49 @@ False
**Methods:**
#### `settings` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L319" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `settings` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L323" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
settings(self) -> Settings
```
#### `name` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L330" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `name` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L334" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
name(self) -> str
```
#### `instructions` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L334" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `instructions` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L338" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
instructions(self) -> str | None
```
#### `instructions` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L338" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `instructions` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L342" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
instructions(self, value: str | None) -> None
```
#### `version` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L342" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `version` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L346" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
version(self) -> str | None
```
#### `run_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L366" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `website_url` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L350" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
website_url(self) -> str | None
```
#### `icons` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L354" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
icons(self) -> list[mcp.types.Icon]
```
#### `run_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L381" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run_async(self, transport: Transport | None = None, show_banner: bool = True, **transport_kwargs: Any) -> None
@ -189,7 +201,7 @@ Run the FastMCP server asynchronously.
- `transport`: Transport protocol to use ("stdio", "sse", or "streamable-http")
#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L396" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L411" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run(self, transport: Transport | None = None, show_banner: bool = True, **transport_kwargs: Any) -> None
@ -201,13 +213,13 @@ Run the FastMCP server. Note this is a synchronous function.
- `transport`: Transport protocol to use ("stdio", "sse", or "streamable-http")
#### `add_middleware` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L440" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `add_middleware` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L455" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_middleware(self, middleware: Middleware) -> None
```
#### `get_tools` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L443" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_tools` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L458" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_tools(self) -> dict[str, Tool]
@ -216,13 +228,13 @@ get_tools(self) -> dict[str, Tool]
Get all tools (unfiltered), including mounted servers, indexed by key.
#### `get_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L463" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L478" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_tool(self, key: str) -> Tool
```
#### `get_resources` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L469" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_resources` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L484" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_resources(self) -> dict[str, Resource]
@ -231,13 +243,13 @@ get_resources(self) -> dict[str, Resource]
Get all resources (unfiltered), including mounted servers, indexed by key.
#### `get_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L502" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L517" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_resource(self, key: str) -> Resource
```
#### `get_resource_templates` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L508" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_resource_templates` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L523" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_resource_templates(self) -> dict[str, ResourceTemplate]
@ -246,7 +258,7 @@ get_resource_templates(self) -> dict[str, ResourceTemplate]
Get all resource templates (unfiltered), including mounted servers, indexed by key.
#### `get_resource_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L541" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_resource_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L556" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_resource_template(self, key: str) -> ResourceTemplate
@ -255,7 +267,7 @@ get_resource_template(self, key: str) -> ResourceTemplate
Get a registered resource template by key.
#### `get_prompts` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L548" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_prompts` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L563" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_prompts(self) -> dict[str, Prompt]
@ -264,13 +276,13 @@ get_prompts(self) -> dict[str, Prompt]
Get all prompts (unfiltered), including mounted servers, indexed by key.
#### `get_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L568" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L583" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_prompt(self, key: str) -> Prompt
```
#### `custom_route` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L574" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `custom_route` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L589" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
custom_route(self, path: str, methods: list[str], name: str | None = None, include_in_schema: bool = True) -> Callable[[Callable[[Request], Awaitable[Response]]], Callable[[Request], Awaitable[Response]]]
@ -291,7 +303,7 @@ Starlette's reverse URL lookup feature)
- `include_in_schema`: Whether to include in OpenAPI schema, defaults to True
#### `add_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1271" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `add_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1286" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_tool(self, tool: Tool) -> Tool
@ -309,7 +321,7 @@ with the Context type annotation. See the @tool decorator for examples.
- The tool instance that was added to the server.
#### `remove_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1296" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `remove_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1311" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
remove_tool(self, name: str) -> None
@ -324,7 +336,7 @@ Remove a tool from the server.
- `NotFoundError`: If the tool is not found
#### `add_tool_transformation` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1316" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `add_tool_transformation` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1331" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_tool_transformation(self, tool_name: str, transformation: ToolTransformConfig) -> None
@ -333,7 +345,7 @@ add_tool_transformation(self, tool_name: str, transformation: ToolTransformConfi
Add a tool transformation.
#### `remove_tool_transformation` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1322" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `remove_tool_transformation` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1337" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
remove_tool_transformation(self, tool_name: str) -> None
@ -342,19 +354,19 @@ remove_tool_transformation(self, tool_name: str) -> None
Remove a tool transformation.
#### `tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1327" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1342" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
tool(self, name_or_fn: AnyFunction) -> FunctionTool
```
#### `tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1343" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1359" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
tool(self, name_or_fn: str | None = None) -> Callable[[AnyFunction], FunctionTool]
```
#### `tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1358" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1375" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
tool(self, name_or_fn: str | AnyFunction | None = None) -> Callable[[AnyFunction], FunctionTool] | FunctionTool
@ -410,7 +422,7 @@ server.tool(my_function, name="custom_name")
```
#### `add_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1489" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `add_resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1509" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_resource(self, resource: Resource) -> Resource
@ -425,7 +437,7 @@ Add a resource to the server.
- The resource instance that was added to the server.
#### `add_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1511" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `add_template` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1531" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_template(self, template: ResourceTemplate) -> ResourceTemplate
@ -440,7 +452,7 @@ Add a resource template to the server.
- The template instance that was added to the server.
#### `add_resource_fn` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1533" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `add_resource_fn` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1553" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_resource_fn(self, fn: AnyFunction, uri: str, name: str | None = None, description: str | None = None, mime_type: str | None = None, tags: set[str] | None = None) -> None
@ -460,7 +472,7 @@ has parameters, it will be registered as a template resource.
- `tags`: Optional set of tags for categorizing the resource
#### `resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1571" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `resource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1591" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
resource(self, uri: str) -> Callable[[AnyFunction], Resource | ResourceTemplate]
@ -520,7 +532,7 @@ async def get_weather(city: str) -> str:
```
#### `add_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1708" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `add_prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1731" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
add_prompt(self, prompt: Prompt) -> Prompt
@ -535,19 +547,19 @@ Add a prompt to the server.
- The prompt instance that was added to the server.
#### `prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1731" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1754" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
prompt(self, name_or_fn: AnyFunction) -> FunctionPrompt
```
#### `prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1744" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1768" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
prompt(self, name_or_fn: str | None = None) -> Callable[[AnyFunction], FunctionPrompt]
```
#### `prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1756" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `prompt` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1781" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
prompt(self, name_or_fn: str | AnyFunction | None = None) -> Callable[[AnyFunction], FunctionPrompt] | FunctionPrompt
@ -625,7 +637,7 @@ Decorator to register a prompt.
```
#### `run_stdio_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1897" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `run_stdio_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1925" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run_stdio_async(self, show_banner: bool = True, log_level: str | None = None) -> None
@ -638,7 +650,7 @@ Run the server using stdio transport.
- `log_level`: Log level for the server
#### `run_http_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1927" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `run_http_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L1955" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run_http_async(self, show_banner: bool = True, transport: Literal['http', 'streamable-http', 'sse'] = 'http', host: str | None = None, port: int | None = None, log_level: str | None = None, path: str | None = None, uvicorn_config: dict[str, Any] | None = None, middleware: list[ASGIMiddleware] | None = None, json_response: bool | None = None, stateless_http: bool | None = None) -> None
@ -658,7 +670,7 @@ Run the server using HTTP transport.
- `stateless_http`: Whether to use stateless HTTP (defaults to settings.stateless_http)
#### `run_sse_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2006" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `run_sse_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2034" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run_sse_async(self, host: str | None = None, port: int | None = None, log_level: str | None = None, path: str | None = None, uvicorn_config: dict[str, Any] | None = None) -> None
@ -667,7 +679,7 @@ run_sse_async(self, host: str | None = None, port: int | None = None, log_level:
Run the server using SSE transport.
#### `sse_app` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2034" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `sse_app` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2062" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
sse_app(self, path: str | None = None, message_path: str | None = None, middleware: list[ASGIMiddleware] | None = None) -> StarletteWithLifespan
@ -681,7 +693,7 @@ Create a Starlette app for the SSE server.
- `middleware`: A list of middleware to apply to the app
#### `streamable_http_app` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2065" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `streamable_http_app` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2093" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
streamable_http_app(self, path: str | None = None, middleware: list[ASGIMiddleware] | None = None) -> StarletteWithLifespan
@ -694,7 +706,7 @@ Create a Starlette app for the StreamableHTTP server.
- `middleware`: A list of middleware to apply to the app
#### `http_app` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2086" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `http_app` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2114" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
http_app(self, path: str | None = None, middleware: list[ASGIMiddleware] | None = None, json_response: bool | None = None, stateless_http: bool | None = None, transport: Literal['http', 'streamable-http', 'sse'] = 'http') -> StarletteWithLifespan
@ -711,13 +723,13 @@ Create a Starlette app using the specified HTTP transport.
- A Starlette application configured with the specified transport
#### `run_streamable_http_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2135" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `run_streamable_http_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2163" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run_streamable_http_async(self, host: str | None = None, port: int | None = None, log_level: str | None = None, path: str | None = None, uvicorn_config: dict[str, Any] | None = None) -> None
```
#### `mount` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2160" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `mount` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2188" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
mount(self, server: FastMCP[LifespanResultT], prefix: str | None = None, as_proxy: bool | None = None) -> None
@ -771,7 +783,7 @@ automatically determined based on whether the server has a custom lifespan
- `prompt_separator`: Deprecated. Separator character for prompt names.
#### `import_server` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2279" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `import_server` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2307" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
import_server(self, server: FastMCP[LifespanResultT], prefix: str | None = None, tool_separator: str | None = None, resource_separator: str | None = None, prompt_separator: str | None = None) -> None
@ -812,7 +824,7 @@ applied using the protocol\://prefix/path format
- `prompt_separator`: Deprecated. Separator for prompt names.
#### `from_openapi` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2417" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_openapi` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2445" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_openapi(cls, openapi_spec: dict[str, Any], client: httpx.AsyncClient, route_maps: list[RouteMap] | list[RouteMapNew] | None = None, route_map_fn: OpenAPIRouteMapFn | OpenAPIRouteMapFnNew | None = None, mcp_component_fn: OpenAPIComponentFn | OpenAPIComponentFnNew | None = None, mcp_names: dict[str, str] | None = None, tags: set[str] | None = None, **settings: Any) -> FastMCPOpenAPI | FastMCPOpenAPINew
@ -821,7 +833,7 @@ from_openapi(cls, openapi_spec: dict[str, Any], client: httpx.AsyncClient, route
Create a FastMCP server from an OpenAPI specification.
#### `from_fastapi` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2466" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_fastapi` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2494" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_fastapi(cls, app: Any, name: str | None = None, route_maps: list[RouteMap] | list[RouteMapNew] | None = None, route_map_fn: OpenAPIRouteMapFn | OpenAPIRouteMapFnNew | None = None, mcp_component_fn: OpenAPIComponentFn | OpenAPIComponentFnNew | None = None, mcp_names: dict[str, str] | None = None, httpx_client_kwargs: dict[str, Any] | None = None, tags: set[str] | None = None, **settings: Any) -> FastMCPOpenAPI | FastMCPOpenAPINew
@ -830,7 +842,7 @@ from_fastapi(cls, app: Any, name: str | None = None, route_maps: list[RouteMap]
Create a FastMCP server from a FastAPI application.
#### `as_proxy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2529" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `as_proxy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2557" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
as_proxy(cls, backend: Client[ClientTransportT] | ClientTransport | FastMCP[Any] | AnyUrl | Path | MCPConfig | dict[str, Any] | str, **settings: Any) -> FastMCPProxy
@ -844,7 +856,7 @@ instance or any value accepted as the `transport` argument of
`fastmcp.client.Client` constructor.
#### `from_client` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2588" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_client` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2616" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_client(cls, client: Client[ClientTransportT], **settings: Any) -> FastMCPProxy
@ -853,10 +865,10 @@ from_client(cls, client: Client[ClientTransportT], **settings: Any) -> FastMCPPr
Create a FastMCP proxy server from a FastMCP client.
#### `generate_name` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2640" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `generate_name` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2668" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
generate_name(cls, name: str | None = None) -> str
```
### `MountedServer` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2650" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `MountedServer` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2678" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

View file

@ -54,16 +54,16 @@ to_mcp_tool(self, **overrides: Any) -> MCPTool
Convert the FastMCP tool to an MCP tool.
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L166" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L167" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(fn: Callable[..., Any], name: str | None = None, title: str | None = None, description: str | None = None, tags: set[str] | None = None, annotations: ToolAnnotations | None = None, exclude_args: list[str] | None = None, output_schema: dict[str, Any] | None | NotSetT | Literal[False] = NotSet, serializer: ToolResultSerializerType | None = None, meta: dict[str, Any] | None = None, enabled: bool | None = None) -> FunctionTool
from_function(fn: Callable[..., Any], name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, tags: set[str] | None = None, annotations: ToolAnnotations | None = None, exclude_args: list[str] | None = None, output_schema: dict[str, Any] | None | NotSetT | Literal[False] = NotSet, serializer: ToolResultSerializerType | None = None, meta: dict[str, Any] | None = None, enabled: bool | None = None) -> FunctionTool
```
Create a Tool from a function.
#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L194" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L197" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run(self, arguments: dict[str, Any]) -> ToolResult
@ -78,26 +78,26 @@ implemented by subclasses.
(list of ContentBlocks, dict of structured output).
#### `from_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L207" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L210" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_tool(cls, tool: Tool) -> TransformedTool
```
### `FunctionTool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L241" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FunctionTool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L244" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
**Methods:**
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L245" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L248" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(cls, fn: Callable[..., Any], name: str | None = None, title: str | None = None, description: str | None = None, tags: set[str] | None = None, annotations: ToolAnnotations | None = None, exclude_args: list[str] | None = None, output_schema: dict[str, Any] | None | NotSetT | Literal[False] = NotSet, serializer: ToolResultSerializerType | None = None, meta: dict[str, Any] | None = None, enabled: bool | None = None) -> FunctionTool
from_function(cls, fn: Callable[..., Any], name: str | None = None, title: str | None = None, description: str | None = None, icons: list[Icon] | None = None, tags: set[str] | None = None, annotations: ToolAnnotations | None = None, exclude_args: list[str] | None = None, output_schema: dict[str, Any] | None | NotSetT | Literal[False] = NotSet, serializer: ToolResultSerializerType | None = None, meta: dict[str, Any] | None = None, enabled: bool | None = None) -> FunctionTool
```
Create a Tool from a function.
#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L303" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L308" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run(self, arguments: dict[str, Any]) -> ToolResult
@ -106,11 +106,11 @@ run(self, arguments: dict[str, Any]) -> ToolResult
Run the tool with arguments.
### `ParsedFunction` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L355" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `ParsedFunction` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L360" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
**Methods:**
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L363" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `from_function` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool.py#L368" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_function(cls, fn: Callable[..., Any], exclude_args: list[str] | None = None, validate: bool = True, wrap_non_object_output_schema: bool = True) -> ParsedFunction

View file

@ -7,9 +7,9 @@ sidebarTitle: components
## Classes
### `FastMCPMeta` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L15" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FastMCPMeta` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L16" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FastMCPComponent` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L28" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FastMCPComponent` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L29" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Base class for FastMCP tools, prompts, resources, and resource templates.
@ -17,7 +17,7 @@ Base class for FastMCP tools, prompts, resources, and resource templates.
**Methods:**
#### `key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L61" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `key` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L66" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
key(self) -> str
@ -29,7 +29,7 @@ keys having a certain value, as the same tool loaded from different
hierarchies of servers may have different keys.
#### `get_meta` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L70" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_meta` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L75" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_meta(self, include_fastmcp_meta: bool | None = None) -> dict[str, Any] | None
@ -41,7 +41,7 @@ If include_fastmcp_meta is True, a `_fastmcp` key will be added to the
meta, containing a `tags` field with the tags of the component.
#### `model_copy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L94" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `model_copy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L99" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
model_copy(self) -> Self
@ -55,7 +55,7 @@ Create a copy of the component.
- `key`: The key to use for the copy.
#### `enable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L127" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `enable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L132" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
enable(self) -> None
@ -64,7 +64,7 @@ enable(self) -> None
Enable the component.
#### `disable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L131" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `disable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L136" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
disable(self) -> None
@ -73,7 +73,7 @@ disable(self) -> None
Disable the component.
#### `copy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L135" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `copy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L140" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
copy(self) -> Self
@ -82,7 +82,7 @@ copy(self) -> Self
Create a copy of the component.
### `MirroredComponent` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L140" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `MirroredComponent` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L145" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Base class for components that are mirrored from a remote server.
@ -93,7 +93,7 @@ to create a local version you can modify.
**Methods:**
#### `enable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L153" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `enable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L158" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
enable(self) -> None
@ -102,7 +102,7 @@ enable(self) -> None
Enable the component.
#### `disable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L162" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `disable` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L167" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
disable(self) -> None
@ -111,7 +111,7 @@ disable(self) -> None
Disable the component.
#### `copy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L171" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `copy` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/components.py#L176" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
copy(self) -> Self

View file

@ -10,7 +10,7 @@ Utilities for inspecting FastMCP instances.
## Functions
### `inspect_fastmcp_v2` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L98" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `inspect_fastmcp_v2` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L104" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
inspect_fastmcp_v2(mcp: FastMCP[Any]) -> FastMCPInfo
@ -26,7 +26,7 @@ Extract information from a FastMCP v2.x instance.
- FastMCPInfo dataclass containing the extracted information
### `inspect_fastmcp_v1` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L214" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `inspect_fastmcp_v1` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L244" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
inspect_fastmcp_v1(mcp: FastMCP1x) -> FastMCPInfo
@ -42,7 +42,7 @@ Extract information from a FastMCP v1.x instance using a Client.
- FastMCPInfo dataclass containing the extracted information
### `inspect_fastmcp` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L335" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `inspect_fastmcp` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L390" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
inspect_fastmcp(mcp: FastMCP[Any] | FastMCP1x) -> FastMCPInfo
@ -61,7 +61,7 @@ and uses the appropriate extraction method.
- FastMCPInfo dataclass containing the extracted information
### `format_fastmcp_info` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L360" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `format_fastmcp_info` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L415" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
format_fastmcp_info(info: FastMCPInfo) -> bytes
@ -73,7 +73,7 @@ Format FastMCPInfo as FastMCP-specific JSON.
This includes FastMCP-specific fields like tags, enabled, annotations, etc.
### `format_mcp_info` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L387" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `format_mcp_info` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L444" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
format_mcp_info(mcp: FastMCP[Any] | FastMCP1x) -> bytes
@ -86,7 +86,7 @@ Uses Client to get the standard MCP protocol format with camelCase fields.
Includes version metadata at the top level.
### `format_info` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L420" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `format_info` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L477" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
format_info(mcp: FastMCP[Any] | FastMCP1x, format: InspectFormat | Literal['fastmcp', 'mcp'], info: FastMCPInfo | None = None) -> bytes
@ -112,31 +112,31 @@ Format server information according to the specified format.
Information about a tool.
### `PromptInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L35" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `PromptInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L36" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Information about a prompt.
### `ResourceInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L49" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `ResourceInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L51" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Information about a resource.
### `TemplateInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L65" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `TemplateInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L68" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Information about a resource template.
### `FastMCPInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L82" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `FastMCPInfo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L86" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Information extracted from a FastMCP instance.
### `InspectFormat` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L353" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `InspectFormat` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/inspect.py#L408" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Output format for inspect command.

View file

@ -15,7 +15,7 @@ consent pages, and other user-facing interfaces.
## Functions
### `create_page` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L326" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_page` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L338" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_page(content: str, title: str = 'FastMCP', additional_styles: str = '', csp_policy: str = "default-src 'none'; style-src 'unsafe-inline'; img-src https:; base-uri 'none'") -> str
@ -34,17 +34,24 @@ Create a complete HTML page with FastMCP styling.
- Complete HTML page as string
### `create_logo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L365" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_logo` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L377" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_logo() -> str
create_logo(icon_url: str | None = None, alt_text: str = 'FastMCP') -> str
```
Create FastMCP logo HTML.
Create logo HTML.
**Args:**
- `icon_url`: Optional custom icon URL. If not provided, uses the FastMCP logo.
- `alt_text`: Alt text for the logo image.
**Returns:**
- HTML for logo image tag.
### `create_status_message` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L370" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_status_message` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L392" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_status_message(message: str, is_success: bool = True) -> str
@ -61,7 +68,7 @@ Create a status message with icon.
- HTML for status message
### `create_info_box` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L393" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_info_box` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L415" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_info_box(content: str, is_error: bool = False, centered: bool = False) -> str
@ -79,7 +86,7 @@ Create an info box.
- HTML for info box
### `create_detail_box` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L417" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_detail_box` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L439" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_detail_box(rows: list[tuple[str, str]]) -> str
@ -95,7 +102,7 @@ Create a detail box with key-value pairs.
- HTML for detail box
### `create_button_group` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L440" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_button_group` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L462" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_button_group(buttons: list[tuple[str, str, str]]) -> str
@ -111,7 +118,7 @@ Create a group of buttons.
- HTML for button group
### `create_secure_html_response` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L458" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `create_secure_html_response` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/ui.py#L480" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
create_secure_html_response(html: str, status_code: int = 200) -> HTMLResponse