mailkite for ChatGPT
dev.mailkite/mailkite
Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
client:ChatGPT
transport:streamable-http
runtime:npm
Install mailkite in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.mailkite.dev/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs