webhook.co for ChatGPT

co.webhook/webhook

Receive, inspect, replay and deliver webhooks — with signature verification and agent triggers.

client:ChatGPT transport:streamable-http

Install webhook.co in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.webhook.co/mcp

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