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53 lines
2 KiB
Text
53 lines
2 KiB
Text
---
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title: low_level
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sidebarTitle: low_level
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---
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# `fastmcp.server.low_level`
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## Classes
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### `MiddlewareServerSession` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/low_level.py#L32" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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ServerSession that routes initialization requests through FastMCP middleware.
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**Methods:**
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#### `fastmcp` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/low_level.py#L40" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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fastmcp(self) -> FastMCP
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```
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Get the FastMCP instance.
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### `LowLevelServer` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/low_level.py#L89" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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**Methods:**
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#### `fastmcp` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/low_level.py#L103" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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fastmcp(self) -> FastMCP
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```
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Get the FastMCP instance.
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#### `create_initialization_options` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/low_level.py#L110" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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create_initialization_options(self, notification_options: NotificationOptions | None = None, experimental_capabilities: dict[str, dict[str, Any]] | None = None, **kwargs: Any) -> InitializationOptions
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```
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#### `run` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/low_level.py#L125" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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run(self, read_stream: MemoryObjectReceiveStream[SessionMessage | Exception], write_stream: MemoryObjectSendStream[SessionMessage], initialization_options: InitializationOptions, raise_exceptions: bool = False, stateless: bool = False)
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```
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Overrides the run method to use the MiddlewareServerSession.
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