webhooks.cc for ChatGPT

io.github.kroqdotdev/webhooks-cc

Capture, inspect, send and assert on webhooks and inbound email from your coding agent.

client:ChatGPT transport:streamable-http runtime:npm

Install webhooks.cc in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://webhooks.cc/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs