tool
fastmcp.tools.tool
Functions
default_serializer
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default_serializer(data: Any) -> str
Classes
Tool
Internal tool registration info.
Methods:
to_mcp_tool
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to_mcp_tool(self, **overrides: Any) -> MCPTool
from_function
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from_function(fn: Callable[..., Any], name: str | None = None, description: str | None = None, tags: set[str] | None = None, annotations: ToolAnnotations | None = None, exclude_args: list[str] | None = None, serializer: Callable[[Any], str] | None = None, enabled: bool | None = None) -> FunctionTool
Create a Tool from a function.
from_tool
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from_tool(cls, tool: Tool, transform_fn: Callable[..., Any] | None = None, name: str | None = None, transform_args: dict[str, ArgTransform] | None = None, description: str | None = None, tags: set[str] | None = None, annotations: ToolAnnotations | None = None, serializer: Callable[[Any], str] | None = None, enabled: bool | None = None) -> TransformedTool
FunctionTool
Methods:
from_function
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from_function(cls, fn: Callable[..., Any], name: str | None = None, description: str | None = None, tags: set[str] | None = None, annotations: ToolAnnotations | None = None, exclude_args: list[str] | None = None, serializer: Callable[[Any], str] | None = None, enabled: bool | None = None) -> FunctionTool
Create a Tool from a function.
ParsedFunction
Methods:
from_function
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from_function(cls, fn: Callable[..., Any], exclude_args: list[str] | None = None, validate: bool = True) -> ParsedFunction
Assistant
Responses are generated using AI and may contain mistakes.