"Finding people on GitHub" matching MCP connectors:

Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.

SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.

pipeheroA

io.github.pipehero

Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.

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

ship-on-friday MCP — wraps StupidAPIs (requires X-API-Key)

One

ai.withone

Search, document and execute authenticated API calls across 700+ apps via one MCP server

A basic MCP server to operate on the Postman API.

Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.

Monitor MCP servers, API contracts and AI outputs for schema drift. Alerts on breaking changes.