Checkmails — Email Verification
eu.checkmails/checkmails
Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.
Description as published in the official MCP registry.
Answers, but requires sign-in before the handshake. Checked 2026-10-04.
What we measured
| Endpoint | https://checkmails.eu/api/mcp | registry |
|---|---|---|
| Handshake | Answers, but requires sign-in before the handshake (454 ms) | our check, 2026-10-04 |
| Registry version | 1.0.0 · active · updated 2026-06-28 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http checkmails https://checkmails.eu/api/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
Related servers
- emailmd Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview…
- e2a — email for AI agents Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM…
- e2a — email for AI agents Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM…
- Kawaa email verification Check whether an email address can receive mail — one address or a list — without sending…
- Qualisend Email Verification Verify email addresses and clean lists to improve deliverability and sender reputation.
- Email Inbox API + Sending by Sendmux AI email inbox and sending tools with attachments, search, live events, and webhooks.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name eu.checkmails/checkmails.