Anymail for ChatGPT

io.github.creathinkone/anymail

Cold email outreach: manage prospects, campaigns, replies and webhooks in Anymail.

client:ChatGPT transport:streamable-http

Install Anymail in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.anymail.watch/api/mcp

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