MailFerret for Claude.ai
com.appin60.mailferret/mailferret
Find and verify work emails with live SMTP checks and catch-all detection. Free 10 calls/day.
client:Claude.ai
transport:streamable-http
tools:3
Install MailFerret in Claude.ai
Settings → Connectors → Add custom connector
https://mailferret.appin60.com/mcp
Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs