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Add title to tools, resources, prompts (#972)

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Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Felix Weinberger 2025-06-17 10:53:14 -04:00 • committed by GitHub
commit a2f8766a8a
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GPG key ID: B5690EEEBB952194
2 changed files with 481 additions and 46 deletions
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3
src/mcp/server/fastmcp/tools/base.py
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@ -22,6 +22,7 @@ class Tool(BaseModel):
fn: Callable[..., Any] = Field(exclude=True)
name: str = Field(description="Name of the tool")
title: str | None = Field(None, description="Human-readable title of the tool")
description: str = Field(description="Description of what the tool does")
parameters: dict[str, Any] = Field(description="JSON schema for tool parameters")
fn_metadata: FuncMetadata = Field(
@ -36,6 +37,7 @@ class Tool(BaseModel):
cls,
fn: Callable[..., Any],
name: str | None = None,
title: str | None = None,
description: str | None = None,
context_kwarg: str | None = None,
annotations: ToolAnnotations | None = None,
@ -69,6 +71,7 @@ class Tool(BaseModel):
return cls(
fn=fn,
name=func_name,
title=title,
description=func_doc,
parameters=parameters,
fn_metadata=func_arg_metadata,

3
src/mcp/server/fastmcp/tools/tool_manager.py
View file

@ -46,11 +46,12 @@ class ToolManager:
self,
fn: Callable[..., Any],
name: str | None = None,
title: str | None = None,
description: str | None = None,
annotations: ToolAnnotations | None = None,
) -> Tool:
"""Add a tool to the server."""
tool = Tool.from_function(fn, name=name, description=description, annotations=annotations)
tool = Tool.from_function(fn, name=name, title=title, description=description, annotations=annotations)
existing = self._tools.get(tool.name)
if existing:
if self.warn_on_duplicate_tools: