FetchSandbox — Test the integrations your AI wrote, without leaving your IDE

One MCP config plugs FetchSandbox into Cursor, Claude Code, Cline, Windsurf, and Codex. 70+ APIs ready — Stripe, GitHub, Twilio, OpenAI, Paddle, and more. 30-second setup. Real webhooks, real state, real failures — no real-API quota burned.