FastMCP Claude Desktop MCP Server

@nuke66

Repository

Basic information

About FastMCP Claude Desktop MCP Server

First play with MCP server on Claude Desktop

#mcp #claude #desktop

FastMCP Claude Desktop MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem",
        "C:\\Users\\Slade\\Downloads"
      ]
    },
    "Demo4": {
      "command": "C:\\Users\\Slade\\AppData\\Roaming\\Python\\Python310\\Scripts\\mcp",
      "args": [
        "run",
        "C:\\dev\\xFastMCP\\server.py"
      ]
    }
  }
}

FastMCP Claude Desktop MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is FastMCP_Claude_Desktop?

This server provides a quickstart example for integrating a custom MCP server with Claude Desktop, as demonstrated in the official MCP documentation. It guides users through installing the MCP package, running a Python server script (server.py), and configuring Claude Desktop to use that server.

How to use FastMCP_Claude_Desktop?

Install the mcp package with pip install mcp. Run mcp install server.py to automatically add the server to the Claude Desktop config file (claude_desktop_config.json). Alternatively, manually edit the config file to include a command entry pointing to the MCP executable and your server script. Use mcp dev server.py to launch the MCP inspector for testing.

Key features of FastMCP_Claude_Desktop

Quick integration with Claude Desktop via mcp install command.
Manual configuration through claude_desktop_config.json.
Supports custom Python server scripts (server.py).
Built-in inspector tool for server testing and debugging.

Use cases of FastMCP_Claude_Desktop

Run a custom Python MCP server (e.g., file system access) from Claude Desktop.
Test and debug an MCP server locally using the inspector UI.

Frequently asked questions

How do I install the MCP package?

Use `pip install mcp` in your Python environment.

How do I add a server to Claude Desktop?

Run `mcp install server.py` to automatically update the config, or manually edit `claude_desktop_config.json` with the server command and arguments.

How do I test my server?

Run `mcp dev server.py` to start the inspector, then configure its settings to match your working config from `claude_desktop_config.json`.

What dependencies are required?

Python 3 and the `mcp` package installed via pip. The server script (`server.py`) must be a valid MCP server implementation.

Where is the config file located?

On Windows it is at `C:\Users\<Username>\AppData\Roaming\Claude\claude_desktop_config.json`.

Comments

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