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mcp/harbor
Verified official

MailFerret MCP

v1.0.0

com.appin60.mailferret/mailferret

Find and verify work emails with live SMTP checks and catch-all detection. Free 10 calls/day.

transport:streamable-http tools:3
Website

Target client

run in your project directory 

claude mcp add --transport http mailferret https://mailferret.appin60.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

find_work_email Read-only

find work email

verify_email

verify email

domain_email_intel

domain email intel

All 3 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.