Stdio - mcp-use

View the source code for this module on GitHub: https://github.com/mcp-use/mcp-use/blob/main/libraries/python/mcp_use/client/connectors/stdio.py

StdIO connector for MCP implementations. This module provides a connector for communicating with MCP implementations through the standard input/output streams.

StdioConnector

from mcp_use.client.connectors.stdio import StdioConnector

`method` init

Initialize a new stdio connector.Parameters

str
default:"npx"
String value

list[str] | None
default:"None"
List of items

dict[str, str] | None
default:"None"
Optional environment variables.

Stream to write error output to.

mcp.client.session.SamplingFnT | None
default:"None"
Optional callback to sample the client.

mcp.client.session.ElicitationFnT | None
default:"None"
Optional callback to elicit the client.

mcp.client.session.MessageHandlerFnT | None
default:"None"
Optional callback to handle messages.

mcp.client.session.LoggingFnT | None
default:"None"
Optional callback to handle log messages.

list[mcp_use.client.middleware.middleware.Middleware] | None
default:"None"
Optional list of middleware.

list[mcp.types.Root] | None
default:"None"
Optional initial list of roots to advertise to the server.

mcp.client.session.ListRootsFnT | None
default:"None"
Optional custom callback to handle roots/list requests.

Signature

def __init__(command: str = "npx", args: list[str] | None = None, env: dict[str, str] | None = None, errlog = <_io.TextIOWrapper name='<stderr>' mode='w' encoding='utf-8'>, sampling_callback: mcp.client.session.SamplingFnT | None = None, elicitation_callback: mcp.client.session.ElicitationFnT | None = None, message_handler: mcp.client.session.MessageHandlerFnT | None = None, logging_callback: mcp.client.session.LoggingFnT | None = None, middleware: list[mcp_use.client.middleware.middleware.Middleware] | None = None, roots: list[mcp.types.Root] | None = None, list_roots_callback: mcp.client.session.ListRootsFnT | None = None):

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