AY Inbox for ChatGPT

com.ayinbox/ayinbox

Cold email from your agent: contact lists, campaigns, campaign brains, reply drafts and a CRM.

client:ChatGPT transport:streamable-http

Install AY Inbox in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.ayinbox.com/v1/mcp

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