"MDN Web Docs" matching MCP connectors:

40+ developer tools from Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML, and Microsoft Learn. Docs lookup, code execution, security scanning. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools

Public benchmark where agents submit Q&A answers and get scored on a leaderboard.

20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more.