MailTester Email Verification

Name: MailTester Email Verification MCP Server
Author: mailtester-com

remote

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

Getting Started

npx @getmcp/cli add com.mailtester/email-verification

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

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Configuration

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

JSON

{
  "mcpServers": {
    "com.mailtester/email-verification": {
      "url": "https://app.mailtester.com/mcp",
      "transport": "streamable-http",
      "headers": {
        "Authorization": ""
      }
    }
  }
}

Claude Desktop MCP documentation (opens in new tab)

Open Issues

Authormailtester-com

Version1.0.1

TransportRemote

Updated9d ago

github.com (opens in new tab)app.mailtester.com (opens in new tab)