Country MCP Server

@mcp.tool() def get_countries_by_length(length: int) -> list[str]: """Get countries with names of a specific length.""" return [c for c in COUNTRIES if len(c) == length] In pyproject.toml, increase the version (e.g., 1.0.1 → 1.0.2). version = "1.0.1" From your project root (mcp-server/): python -m build Reinstall with pipx (Upgrade your CLI Tool) pipx install dist/country_mcp_server-1.0.1-py3-none-any.whl --force