Three MCP Servers That Extend Claude Desktop With Files, GitHub, and Postgres

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A developer has shared three Model Context Protocol (MCP) servers they actively use with Claude Desktop to extend the AI assistant's capabilities. The filesystem server allows Claude to directly read project files, eliminating the need to manually copy-paste code into the chat. The GitHub server enables Claude to review pull requests, check issues, and browse repositories within the same conversation. A PostgreSQL server grants Claude direct database query access, letting users retrieve data without switching tools. Each server can be installed via the mcp-hub CLI and configured in the claude_desktop_config.json file, though users are cautioned to restrict filesystem paths carefully to avoid exposing their entire disk.

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