27 free, open-source MCP servers, each with the exact command or config to add it to your app, built from the project's own README. Pick your app below; servers are sorted by GitHub stars, and nobody pays to be listed or ranked.
| Server | GitHub stars | How to add it |
|---|
Keys and paths in capitals (like YOUR-API-KEY) are placeholders you replace with your own. Some repos ship several servers; those rows show one example and say so.
Data: the MCP setup guides on the AITeamGuide Hub, snapshot of 2026-10-31 (CC BY 4.0). Missing a server? Submit an open-source project. Also see the AI Agent Pricing Dataset. Built by AITeamGuide.