MailFerret

com.appin60.mailferret/mailferretVersion 1.0.0

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

Status

Responds153 msNov 14, 2026, 13:47 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://mailferret.appin60.com/mcpResponds153 msNov 14, 2026, 13:47 UTC

No sign-in

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

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Settings > Connectors > Add custom connector
Name: mailferret
Remote MCP server URL: https://mailferret.appin60.com/mcp

{
  "mcpServers": {
    "mailferret": {
      "url": "https://mailferret.appin60.com/mcp"
    }
  }
}

code --add-mcp '{"name":"mailferret","type":"http","url":"https://mailferret.appin60.com/mcp"}'

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3 tools

Tools of MailFerret
	Description		Read-only	Idempotent	Open world
`domain_email_intel`A company's email setup: provider, catch-all, SaaS tools from SPF, DMARC, public emails, likely pattern.	A company's email setup: provider, catch-all, SaaS tools from SPF, DMARC, public emails, likely pattern.	Not declared	Not declared	Not declared	Not declared
`find_work_email`Find a person's verified work email from first name, last name and company domain (live SMTP check, catch-all detection).	Find a person's verified work email from first name, last name and company domain (live SMTP check, catch-all detection).	Not declared	Not declared	Not declared	Not declared
`verify_email`Check whether an email address is deliverable (MX, provider, catch-all, live SMTP RCPT).	Check whether an email address is deliverable (MX, provider, catch-all, live SMTP RCPT).	Not declared	Not declared	Not declared	Not declared

Registry status: Active
Published: Oct 13, 2026
Updated: Oct 13, 2026
Website: https://mailferret.appin60.com/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): CommunicationSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared