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2.14 deprecation removals (#2329)

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* Initialize 2.14 deprecation removal branch

* Remove deprecated FASTMCP_SERVER_ environment variable prefix (#2330)

* Remove deprecated Context.get_http_request method (#2332)

* Remove fastmcp.Image top-level import (deprecated 2.8.1) (#2334)

* Remove test warnings (#2331)

* Create new branch and fix issue

* Remove deprecated client parameter from FastMCPProxy (#2333)

* Remove deprecated run_streamable_http_async method (#2338)

* Remove deprecated sse_app method (#2337)

* Remove deprecated run_sse_async method (#2335)

* Remove deprecated run_sse_async method

* Update CLI and tests to use run_http_async(transport="sse")

- Change CLI to call run_http_async with transport="sse" instead of run_sse_async
- Update test to mock run_http_async with create=True for v1 servers

* Revert CLI changes - v1 servers do have run_sse_async

- Keep CLI calling run_sse_async() for v1 compatibility
- Update test to mock run_sse_async (which exists on v1)

* Remove unnecessary type ignore for run_sse_async

Method exists on v1 FastMCP class, no type error

* Remove unused imports after test deletion

* Remove deprecated streamable_http_app method (#2336)

* Remove deprecated dependencies parameter from FastMCP constructor (#2340)

* Remove output_schema=False support (deprecated 2.11.4) (#2339)

* Remove deprecated client parameter from FastMCPProxy (#2333)

* Delete deprecated test_output_schema_false.py

Tests functionality that has been removed

* Remove deprecated BearerAuthProvider module (#2341)

* Remove resource_prefix_format="protocol" support (deprecated 2.4.0) (#2342)

* Remove resource_prefix_format="protocol" support (fixes #2195)

Removes deprecated protocol format (prefix+resource://path) and keeps only
path format (resource://prefix/path). Since only one format remains:

- Removed resource_prefix_format from settings, FastMCP.__init__, and helpers
- Simplified add_resource_prefix, remove_resource_prefix, has_resource_prefix
- Removed MountedServer.resource_prefix_format field
- Deleted tests for protocol format

All resource prefixes now use path format exclusively.

* Clean up resource_prefix_format references

- Remove from test files
- Update documentation to remove protocol format section
- Move custom HTTP routes note to mounting section
- Remove resource_prefix_format from settings docs

* Use inline version note instead of badge for prefix format

* Remove obsolete test functions and update docs

- Delete test functions that no longer assert anything
- Remove proxy.mdx reference to deleted prefix format section

* Format error messages per ruff

* Remove from_client classmethod (deprecated 2.8.0) (#2343)

* Remove deprecated from_client classmethod (fixes #2192)

* Remove unused Client import

* Remove add_resource_fn method (deprecated 2.7.0) (#2345)

* Update SDK

* Add missing imports for exclude_args deprecation warning
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Jeremiah Lowin 2025-12-01 14:11:00 -05:00 • committed by GitHub
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24
docs/python-sdk/fastmcp-tools-tool_transform.mdx
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@ -7,7 +7,7 @@ sidebarTitle: tool_transform
## Functions
### `forward` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L38" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `forward` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L36" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
forward(**kwargs: Any) -> ToolResult
@ -36,7 +36,7 @@ tool has args `a` and `b`, and an `transform_args` was provided that maps `x` to
- `TypeError`: If provided arguments don't match the transformed schema.
### `forward_raw` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L68" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `forward_raw` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L66" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
forward_raw(**kwargs: Any) -> ToolResult
@ -62,7 +62,7 @@ y=2)` will call the parent tool with `x=1` and `y=2`.
- `RuntimeError`: If called outside a transformed tool context.
### `apply_transformations_to_tools` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L935" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `apply_transformations_to_tools` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L924" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
apply_transformations_to_tools(tools: dict[str, Tool], transformations: dict[str, ToolTransformConfig]) -> dict[str, Tool]
@ -75,7 +75,7 @@ are left unchanged.
## Classes
### `ArgTransform` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L95" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `ArgTransform` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L93" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Configuration for transforming a parent tool's argument.
@ -137,7 +137,7 @@ ArgTransform(name="new_name", description="New desc", default=None, type=int)
```
### `ArgTransformConfig` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L209" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `ArgTransformConfig` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L207" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
A model for requesting a single argument transform.
@ -145,7 +145,7 @@ A model for requesting a single argument transform.
**Methods:**
#### `to_arg_transform` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L227" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `to_arg_transform` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L225" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
to_arg_transform(self) -> ArgTransform
@ -154,7 +154,7 @@ to_arg_transform(self) -> ArgTransform
Convert the argument transform to a FastMCP argument transform.
### `TransformedTool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L233" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `TransformedTool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L231" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
A tool that is transformed from another tool.
@ -171,7 +171,7 @@ inherited from the parent tool but can be overridden or disabled.
**Methods:**
#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L260" 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_transform.py#L258" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run(self, arguments: dict[str, Any]) -> ToolResult
@ -190,10 +190,10 @@ functions.
- ToolResult object containing content and optional structured output.
#### `from_tool` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L365" 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_transform.py#L363" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
from_tool(cls, tool: Tool, name: str | None = None, title: str | NotSetT | None = NotSet, description: str | NotSetT | None = NotSet, tags: set[str] | None = None, transform_fn: Callable[..., Any] | None = None, transform_args: dict[str, ArgTransform] | None = None, annotations: ToolAnnotations | NotSetT | None = NotSet, output_schema: dict[str, Any] | Literal[False] | NotSetT | None = NotSet, serializer: Callable[[Any], str] | NotSetT | None = NotSet, meta: dict[str, Any] | NotSetT | None = NotSet, enabled: bool | None = None) -> TransformedTool
from_tool(cls, tool: Tool, name: str | None = None, title: str | NotSetT | None = NotSet, description: str | NotSetT | None = NotSet, tags: set[str] | None = None, transform_fn: Callable[..., Any] | None = None, transform_args: dict[str, ArgTransform] | None = None, annotations: ToolAnnotations | NotSetT | None = NotSet, output_schema: dict[str, Any] | NotSetT | None = NotSet, serializer: Callable[[Any], str] | NotSetT | None = NotSet, meta: dict[str, Any] | NotSetT | None = NotSet, enabled: bool | None = None) -> TransformedTool
```
Create a transformed tool from a parent tool.
@ -272,7 +272,7 @@ async def custom_output(**kwargs) -> ToolResult:
```
### `ToolTransformConfig` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L889" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
### `ToolTransformConfig` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L878" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Provides a way to transform a tool.
@ -280,7 +280,7 @@ Provides a way to transform a tool.
**Methods:**
#### `apply` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L921" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
#### `apply` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/tools/tool_transform.py#L910" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
apply(self, tool: Tool) -> TransformedTool