Patchbay
Built at Zero to Agent: Vercel x Deepmind Hackathon London · Mar 21, 2026 · London, UK
MCP Playground — a "Postman for MCP" that connects to any MCP server, auto-discovers tools, runs AI-powered diagnostic tests on every tool using Gemini, and lets you invoke tools through natural chat with a live execution graph. Built solo in one day.
