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Documentation Index

Fetch the complete documentation index at: https://gofastmcp.com/llms.txt

Use this file to discover all available pages before exploring further.

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fastmcp.client.transports.stdio

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Classes

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StdioTransport

Base transport for connecting to an MCP server via subprocess with stdio. This is a base class that can be subclassed for specific command-based transports like Python, Node, Uvx, etc. Methods:

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connect_session 

connect_session(self, **session_kwargs: Unpack[SessionKwargs]) -> AsyncIterator[ClientSession]

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connect 

connect(self, **session_kwargs: Unpack[SessionKwargs]) -> ClientSession | None

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disconnect 

disconnect(self)

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close 

close(self)

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PythonStdioTransport

Transport for running Python scripts.

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FastMCPStdioTransport

Transport for running FastMCP servers using the FastMCP CLI.

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NodeStdioTransport

Transport for running Node.js scripts.

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UvStdioTransport

Transport for running commands via the uv tool.

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UvxStdioTransport

Transport for running commands via the uvx tool.

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NpxStdioTransport

Transport for running commands via the npx tool.