emailverifier.dev for ChatGPT

io.github.usamaejaz/emailverifier

Verify emails and domains for routing, disposable providers, role accounts, and SMTP risk.

client:ChatGPT transport:streamable-http

Install emailverifier.dev in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://emailverifier.dev/mcp

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