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34 lines
1.6 KiB
Markdown
34 lines
1.6 KiB
Markdown
# Installation
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The Python SDK is available on PyPI as [`mcp`](https://pypi.org/project/mcp/). These docs describe the **v1.x maintenance line**;
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the `<2` bound keeps you on it now that `pip install mcp` selects the 2.x stable release by default (the
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[v2 documentation](https://py.sdk.modelcontextprotocol.io/) covers that line):
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=== "pip"
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```bash
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pip install "mcp<2"
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```
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=== "uv"
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```bash
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uv add "mcp<2"
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```
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The following dependencies are automatically installed:
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- [`httpx`](https://pypi.org/project/httpx/): HTTP client to handle HTTP Streamable and SSE transports.
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- [`httpx-sse`](https://pypi.org/project/httpx-sse/): HTTP client to handle SSE transport.
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- [`pydantic`](https://pypi.org/project/pydantic/): Types, JSON schema generation, data validation, and [more](https://docs.pydantic.dev/latest/).
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- [`starlette`](https://pypi.org/project/starlette/): Web framework used to build the HTTP transport endpoints.
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- [`python-multipart`](https://pypi.org/project/python-multipart/): Handle HTTP body parsing.
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- [`sse-starlette`](https://pypi.org/project/sse-starlette/): Server-Sent Events for Starlette, used to build the SSE transport endpoint.
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- [`pydantic-settings`](https://pypi.org/project/pydantic-settings/): Settings management used in FastMCP.
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- [`uvicorn`](https://pypi.org/project/uvicorn/): ASGI server used to run the HTTP transport endpoints.
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- [`jsonschema`](https://pypi.org/project/jsonschema/): JSON schema validation.
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- [`pywin32`](https://pypi.org/project/pywin32/): Windows specific dependencies for the CLI tools.
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This package has the following optional groups:
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- `cli`: Installs `typer` and `python-dotenv` for the MCP CLI tools.
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