Walkthrough for building a working MCP server in Python with FastMCP and registering it with Claude Code on the current stable release.
Steps covered:
00:00 Building an MCP server for Claude Code
00:42 Prerequisites and setup requirements
01:20 Create project and install FastMCP
02:30 Write the MCP server file
03:47 Register server with Claude Code
04:52 Test the weather MCP server
05:30 Troubleshooting common failures
Links:
Model Context Protocol docs: https://modelcontextprotocol.io
Claude Code docs: https://docs.claude.com/en/docs/claud...
FastMCP GitHub: https://github.com/jlowin/fastmcp
uv package manager: https://github.com/astral-sh/uv
Python version used: 3.11
FastMCP version used: latest stable on PyPI