catchr for ChatGPT
dev.workers.perch-app.catchr/catchr
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
client:ChatGPT
transport:streamable-http
Install catchr in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://catchr.perch-app.workers.dev/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs