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79 lines
3.1 KiB
Text
79 lines
3.1 KiB
Text
---
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title: stdio
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sidebarTitle: stdio
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---
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# `fastmcp.client.transports.stdio`
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## Classes
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### `StdioTransport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L22" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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Base transport for connecting to an MCP server via subprocess with stdio.
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This is a base class that can be subclassed for specific command-based
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transports like Python, Node, Uvx, etc.
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**Methods:**
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#### `connect_session` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L72" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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connect_session(self, **session_kwargs: Unpack[SessionKwargs]) -> AsyncIterator[ClientSession]
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```
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#### `connect` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L84" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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connect(self, **session_kwargs: Unpack[SessionKwargs]) -> ClientSession | None
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```
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#### `disconnect` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L120" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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disconnect(self)
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```
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#### `close` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L135" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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close(self)
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```
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### `PythonStdioTransport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L205" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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Transport for running Python scripts.
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### `FastMCPStdioTransport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L258" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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Transport for running FastMCP servers using the FastMCP CLI.
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### `NodeStdioTransport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L287" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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Transport for running Node.js scripts.
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### `UvStdioTransport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L340" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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Transport for running commands via the uv tool.
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### `UvxStdioTransport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L419" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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Transport for running commands via the uvx tool.
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### `NpxStdioTransport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/stdio.py#L484" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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Transport for running commands via the npx tool.
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