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56 lines
2.1 KiB
Text
56 lines
2.1 KiB
Text
---
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title: inference
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sidebarTitle: inference
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---
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# `fastmcp.client.transports.inference`
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## Functions
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### `infer_transport` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/client/transports/inference.py#L60" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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infer_transport(transport: ClientTransport | FastMCP | FastMCP1Server | AnyUrl | Path | MCPConfig | dict[str, Any] | str) -> ClientTransport
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```
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Infer the appropriate transport type from the given transport argument.
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This function attempts to infer the correct transport type from the provided
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argument, handling various input types and converting them to the appropriate
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ClientTransport subclass.
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The function supports these input types:
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- ClientTransport: Used directly without modification
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- FastMCP or FastMCP1Server: Creates an in-memory FastMCPTransport
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- Path or str (file path): Creates PythonStdioTransport (.py) or NodeStdioTransport (.js)
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- AnyUrl or str (URL): Creates StreamableHttpTransport (default) or SSETransport (for /sse endpoints)
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- MCPConfig or dict: Creates MCPConfigTransport, potentially connecting to multiple servers
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For HTTP URLs, they are assumed to be Streamable HTTP URLs unless they end in `/sse`.
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For MCPConfig with multiple servers, a composite client is created where each server
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is mounted with its name as prefix. This allows accessing tools and resources from multiple
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servers through a single unified client interface, using naming patterns like
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`servername_toolname` for tools and `protocol://servername/path` for resources.
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If the MCPConfig contains only one server, a direct connection is established without prefixing.
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**Examples:**
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```python
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# Connect to a local Python script
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transport = infer_transport("my_script.py")
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# Connect to a remote server via HTTP
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transport = infer_transport("http://example.com/mcp")
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# Connect to multiple servers using MCPConfig
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config = {
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"mcpServers": {
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"weather": {"url": "http://weather.example.com/mcp"},
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"calendar": {"url": "http://calendar.example.com/mcp"}
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}
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}
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transport = infer_transport(config)
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```
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