Checkmails — Email Verification

Name: Checkmails — Email Verification MCP Server
Author: Checkmails — Email Verification

remote

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

Getting Started

npx @getmcp/cli add eu.checkmails/checkmails

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

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

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "eu.checkmails/checkmails": {
      "url": "https://checkmails.eu/api/mcp",
      "transport": "streamable-http",
      "headers": {
        "Authorization": ""
      }
    }
  }
}

Claude Desktop MCP documentation (opens in new tab)

AuthorCheckmails — Email Verification

Version1.0.0

TransportRemote

checkmails.eu (opens in new tab)