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Checkmails — Email Verification

eu.checkmails/checkmails · v1.0.0

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

Connect Remote server

Terminal
claude mcp add --transport http checkmails https://checkmails.eu/api/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "checkmails": {
      "url": "https://checkmails.eu/api/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "checkmails": {
      "type": "http",
      "url": "https://checkmails.eu/api/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://checkmails.eu/api/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server asks for a key before it lists its tools. Connect it with your own key to see them.

Headers

NameDescription
Authorization
Required, secret
Bearer chk_<your API key> - paid checkmails plan, get it at https://checkmails.eu/app

Details

Endpointhttps://checkmails.eu/api/mcp (Streamable HTTP)
First published28 Jun 2026
Last updated28 Jun 2026
Registry nameeu.checkmails/checkmails

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