Running Your MCP Server with FastMCP v2.0

@GanonUchiha

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その他

トランスポート

stdio

作者

GanonUchiha

Running Your MCP Server with FastMCP v2.0 について

My example of setting up a MCP server

#fastmcp #mcp-server #server-setup

Running Your MCP Server with FastMCP v2.0 の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "My-FastMCP-Example": {
      "command": "uv",
      "args": [
        "pip",
        "install",
        "fastmcp"
      ]
    }
  }
}

Running Your MCP Server with FastMCP v2.0 のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is Running Your MCP Server with FastMCP v2.0?

This guide explains how to run a custom MCP server using FastMCP v2.0 and install it for use with Claude Desktop. It is intended for developers who already have a server script (e.g., server.py) ready.

How to use Running Your MCP Server with FastMCP v2.0?

Install FastMCP, run the server with fastmcp run server.py (or python server.py if using the standard entry point), then install it for Claude Desktop with fastmcp install server.py and restart Claude Desktop.

Key features of Running Your MCP Server with FastMCP v2.0

Provides fastmcp run and fastmcp install commands
Supports specifying additional Python dependencies
Allows passing environment variables during installation
Supports loading environment variables from a .env file

Use cases of Running Your MCP Server with FastMCP v2.0

Running a custom MCP server locally for development
Integrating a custom MCP server with Claude Desktop
Deploying a server with specific Python package dependencies

よくある質問

How do I install FastMCP?

Use `uv pip install fastmcp` (recommended), `brew install uv` then `uv pip install fastmcp` on macOS, or `pip install fastmcp`.

How do I run my MCP server?

Run `fastmcp run server.py`. If your script uses `mcp.run()`, you can also run `python server.py`.

How do I install the server for Claude Desktop?

Run `fastmcp install server.py`, then restart Claude Desktop to load the server.

Can I specify additional Python dependencies?

Yes, by passing `dependencies=["pandas", "numpy"]` when instantiating FastMCP in your server code.

How do I set environment variables for the server?

During installation, use `fastmcp install server.py -e API_KEY=your_api_key` or load from a `.env` file with `fastmcp install server.py -f .env`.

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