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Fix non-serializable state lost between middleware and tools (#3234)

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* Fix non-serializable state lost between middleware and tools

Inherit _request_state dict from parent Context in __aenter__ so
middleware and tool contexts share the same in-memory state.

Closes #3228

* chore: Update SDK documentation

---------

Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
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Jeremiah Lowin 2026-02-19 10:57:59 -05:00 • committed by GitHub
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76
docs/python-sdk/fastmcp-server-context.mdx
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@ -132,7 +132,7 @@ fastmcp(self) -> FastMCP
Get the FastMCP instance.
#### `request_context` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L290" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `request_context` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L296" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
request_context(self) -> RequestContext[ServerSession, Any, Request] | None
@ -161,7 +161,7 @@ async def on_request(self, context, call_next):
```
#### `lifespan_context` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L319" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `lifespan_context` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L325" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
lifespan_context(self) -> dict[str, Any]
@ -188,7 +188,7 @@ def my_tool(ctx: Context) -> str:
```
#### `report_progress` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L350" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `report_progress` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L356" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
report_progress(self, progress: float, total: float | None = None, message: str | None = None) -> None
@ -205,7 +205,7 @@ Works in both foreground (MCP progress notifications) and background
- `message`: Optional status message describing current progress
#### `list_resources` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L444" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `list_resources` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L450" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
list_resources(self) -> list[SDKResource]
@ -217,7 +217,7 @@ List all available resources from the server.
- List of Resource objects available on the server
#### `list_prompts` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L460" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `list_prompts` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L466" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
list_prompts(self) -> list[SDKPrompt]
@ -229,7 +229,7 @@ List all available prompts from the server.
- List of Prompt objects available on the server
#### `get_prompt` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L476" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_prompt` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L482" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_prompt(self, name: str, arguments: dict[str, Any] | None = None) -> GetPromptResult
@ -245,7 +245,7 @@ Get a prompt by name with optional arguments.
- The prompt result
#### `read_resource` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L495" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `read_resource` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L501" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
read_resource(self, uri: str | AnyUrl) -> ResourceResult
@ -260,7 +260,7 @@ Read a resource by URI.
- ResourceResult with contents
#### `log` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L511" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `log` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L517" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
log(self, message: str, level: LoggingLevel | None = None, logger_name: str | None = None, extra: Mapping[str, Any] | None = None) -> None
@ -278,7 +278,7 @@ Messages sent to Clients are also logged to the `fastmcp.server.context.to_clien
- `extra`: Optional mapping for additional arguments
#### `transport` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L540" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `transport` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L546" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
transport(self) -> TransportType | None
@ -290,7 +290,7 @@ Returns the transport type used to run this server: "stdio", "sse",
or "streamable-http". Returns None if called outside of a server context.
#### `client_supports_extension` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L548" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `client_supports_extension` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L554" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
client_supports_extension(self, extension_id: str) -> bool
@ -315,7 +315,7 @@ Example::
return "text-only client"
#### `client_id` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L576" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `client_id` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L582" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
client_id(self) -> str | None
@ -324,7 +324,7 @@ client_id(self) -> str | None
Get the client ID if available.
#### `request_id` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L585" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `request_id` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L591" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
request_id(self) -> str
@ -335,7 +335,7 @@ Get the unique ID for this request.
Raises RuntimeError if MCP request context is not available.
#### `session_id` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L598" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `session_id` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L604" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
session_id(self) -> str
@ -352,7 +352,7 @@ the same client session.
- for other transports.
#### `session` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L655" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `session` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L661" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
session(self) -> ServerSession
@ -366,7 +366,7 @@ In background task mode: Returns the session stored at Context creation.
Raises RuntimeError if no session is available.
#### `debug` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L681" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `debug` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L687" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
debug(self, message: str, logger_name: str | None = None, extra: Mapping[str, Any] | None = None) -> None
@ -377,7 +377,7 @@ Send a `DEBUG`-level message to the connected MCP Client.
Messages sent to Clients are also logged to the `fastmcp.server.context.to_client` logger with a level of `DEBUG`.
#### `info` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L697" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `info` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L703" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
info(self, message: str, logger_name: str | None = None, extra: Mapping[str, Any] | None = None) -> None
@ -388,7 +388,7 @@ Send a `INFO`-level message to the connected MCP Client.
Messages sent to Clients are also logged to the `fastmcp.server.context.to_client` logger with a level of `DEBUG`.
#### `warning` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L713" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `warning` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L719" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
warning(self, message: str, logger_name: str | None = None, extra: Mapping[str, Any] | None = None) -> None
@ -399,7 +399,7 @@ Send a `WARNING`-level message to the connected MCP Client.
Messages sent to Clients are also logged to the `fastmcp.server.context.to_client` logger with a level of `DEBUG`.
#### `error` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L729" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `error` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L735" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
error(self, message: str, logger_name: str | None = None, extra: Mapping[str, Any] | None = None) -> None
@ -410,7 +410,7 @@ Send a `ERROR`-level message to the connected MCP Client.
Messages sent to Clients are also logged to the `fastmcp.server.context.to_client` logger with a level of `DEBUG`.
#### `list_roots` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L745" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `list_roots` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L751" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
list_roots(self) -> list[Root]
@ -419,7 +419,7 @@ list_roots(self) -> list[Root]
List the roots available to the server, as indicated by the client.
#### `send_notification` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L750" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `send_notification` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L756" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
send_notification(self, notification: mcp.types.ServerNotificationType) -> None
@ -431,7 +431,7 @@ Send a notification to the client immediately.
- `notification`: An MCP notification instance (e.g., ToolListChangedNotification())
#### `close_sse_stream` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L760" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `close_sse_stream` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L766" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
close_sse_stream(self) -> None
@ -449,7 +449,7 @@ Instead of holding a connection open for minutes, you can periodically close
and let the client reconnect.
#### `sample_step` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L799" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `sample_step` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L805" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
sample_step(self, messages: str | Sequence[str | SamplingMessage]) -> SampleStep
@ -492,7 +492,7 @@ regardless of this setting.
- - .text: The text content (if any)
#### `sample` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L878" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `sample` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L884" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
sample(self, messages: str | Sequence[str | SamplingMessage]) -> SamplingResult[ResultT]
@ -501,7 +501,7 @@ sample(self, messages: str | Sequence[str | SamplingMessage]) -> SamplingResult[
Overload: With result_type, returns SamplingResult[ResultT].
#### `sample` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L894" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `sample` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L900" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
sample(self, messages: str | Sequence[str | SamplingMessage]) -> SamplingResult[str]
@ -510,7 +510,7 @@ sample(self, messages: str | Sequence[str | SamplingMessage]) -> SamplingResult[
Overload: Without result_type, returns SamplingResult[str].
#### `sample` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L909" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `sample` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L915" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
sample(self, messages: str | Sequence[str | SamplingMessage]) -> SamplingResult[ResultT] | SamplingResult[str]
@ -558,43 +558,43 @@ regardless of this setting.
- - .history: All messages exchanged during sampling
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L984" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L990" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
elicit(self, message: str, response_type: None) -> AcceptedElicitation[dict[str, Any]] | DeclinedElicitation | CancelledElicitation
```
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L996" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1002" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
elicit(self, message: str, response_type: type[T]) -> AcceptedElicitation[T] | DeclinedElicitation | CancelledElicitation
```
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1006" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1012" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
elicit(self, message: str, response_type: list[str]) -> AcceptedElicitation[str] | DeclinedElicitation | CancelledElicitation
```
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1016" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1022" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
elicit(self, message: str, response_type: dict[str, dict[str, str]]) -> AcceptedElicitation[str] | DeclinedElicitation | CancelledElicitation
```
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1026" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1032" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
elicit(self, message: str, response_type: list[list[str]]) -> AcceptedElicitation[list[str]] | DeclinedElicitation | CancelledElicitation
```
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1038" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1044" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
elicit(self, message: str, response_type: list[dict[str, dict[str, str]]]) -> AcceptedElicitation[list[str]] | DeclinedElicitation | CancelledElicitation
```
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1050" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `elicit` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1056" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
elicit(self, message: str, response_type: type[T] | list[str] | dict[str, dict[str, str]] | list[list[str]] | list[dict[str, dict[str, str]]] | None = None) -> AcceptedElicitation[T] | AcceptedElicitation[dict[str, Any]] | AcceptedElicitation[str] | AcceptedElicitation[list[str]] | DeclinedElicitation | CancelledElicitation
@ -623,7 +623,7 @@ type or dataclass or BaseModel. If it is a primitive type, an
object schema with a single "value" field will be generated.
#### `set_state` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1164" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `set_state` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1170" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
set_state(self, key: str, value: Any) -> None
@ -644,7 +644,7 @@ requests.
The key is automatically prefixed with the session identifier.
#### `get_state` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1206" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `get_state` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1212" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_state(self, key: str) -> Any
@ -658,7 +658,7 @@ then falls back to the session-scoped state store.
Returns None if the key is not found.
#### `delete_state` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1220" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `delete_state` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1226" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
delete_state(self, key: str) -> None
@ -669,7 +669,7 @@ Delete a value from the state store.
Removes from both request-scoped and session-scoped stores.
#### `enable_components` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1241" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `enable_components` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1247" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
enable_components(self) -> None
@ -693,7 +693,7 @@ ResourceListChangedNotification, and PromptListChangedNotification.
- `match_all`: If True, matches all components regardless of other criteria.
#### `disable_components` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1279" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `disable_components` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1285" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
disable_components(self) -> None
@ -717,7 +717,7 @@ ResourceListChangedNotification, and PromptListChangedNotification.
- `match_all`: If True, matches all components regardless of other criteria.
#### `reset_visibility` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1317" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `reset_visibility` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/context.py#L1323" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
reset_visibility(self) -> None