If you're building with the Model Context Protocol (MCP), you already know the pain. You write a server. You wire it up to Claude, Cursor, or your own agent.

And then... you spend the next 3 hours running curl commands, squinting at raw JSON-RPC payloads, and guessing why your tool schema isn't being picked up. There had to be a better way. So I built one. Meet MCPHub — The Postman for MCP Live: