Checkmails — Email Verification MCP server

Checkmails — Email Verification is the official remote MCP server from checkmails.eu. It answers at https://checkmails.eu/api/mcp over streamable HTTP and asks you to sign in with your checkmails.eu account before it lists its tools, so your client opens a login the first time it connects. Our probes reached it 6 of 6 times since 10 September 2026; the last check, on 19 October 2026, got the sign-in challenge, so it is up.

Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.

Description as the publisher wrote it.

What Checkmails — Email Verification needs before it works

A sign-in. The server refused to list its tools to an anonymous client and answered with an authentication challenge, which is how an MCP server protected by OAuth behaves. Add it with one of the setups below; the first connection opens a login for your checkmails.eu account, and the tools appear once you have approved it.

Add Checkmails — Email Verification to your AI client

Every block below points at https://checkmails.eu/api/mcp. Pick your client and copy.

claude mcp add --transport http checkmails-email-verification https://checkmails.eu/api/mcp

{
  "mcpServers": {
    "checkmails-email-verification": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://checkmails.eu/api/mcp"]
    }
  }
}

{
  "mcpServers": {
    "checkmails-email-verification": {
      "url": "https://checkmails.eu/api/mcp"
    }
  }
}

{
  "servers": {
    "checkmails-email-verification": {
      "type": "http",
      "url": "https://checkmails.eu/api/mcp"
    }
  }
}

{
  "context_servers": {
    "checkmails-email-verification": {
      "url": "https://checkmails.eu/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "checkmails-email-verification": {
      "serverUrl": "https://checkmails.eu/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "checkmails-email-verification": {
      "url": "https://checkmails.eu/api/mcp"
    }
  }
}

name: Checkmails — Email Verification
version: 0.0.1
schema: v1
mcpServers:
  - name: Checkmails — Email Verification
    type: streamable-http
    url: https://checkmails.eu/api/mcp

{
  "mcpServers": {
    "checkmails-email-verification": {
      "httpUrl": "https://checkmails.eu/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "checkmails-email-verification": {
      "type": "http",
      "url": "https://checkmails.eu/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "checkmails-email-verification": {
      "url": "https://checkmails.eu/api/mcp"
    }
  }
}

goose://extension?url=https%3A%2F%2Fcheckmails.eu%2Fapi%2Fmcp&type=streamable_http&id=checkmails-email-verification&name=Checkmails%20%E2%80%94%20Email%20Verification

Is Checkmails — Email Verification up right now?

It answered our last check on 19 October 2026 in 185 ms. Over 6 checks since 10 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.

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Questions about Checkmails — Email Verification

Is there an official Checkmails — Email Verification MCP server?

Yes. It is published by checkmails.eu and served from checkmails.eu, the vendor's own domain: https://checkmails.eu/api/mcp.

How do I sign in to Checkmails — Email Verification?

Add the server with a setup above. The first time your client connects it opens the sign-in page for checkmails.eu; approve it and the tools load.

Is Checkmails — Email Verification down?

It answered our last check on 19 October 2026 in 185 ms. Over 6 checks since 10 September 2026 it answered 6.

How do I add Checkmails — Email Verification to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://checkmails.eu/api/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does Checkmails — Email Verification need an API key?

It needs a sign-in rather than a key you paste: the server answered with an authentication challenge, so your client runs the login when it first connects.

Where this comes from

Publisher: eu.checkmails. Endpoint host: checkmails.eu. ARD identifier: urn:air:eu.checkmails:mcp:checkmails. First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.