MailTester Email Verification

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.mailtester/email-verification",
  "description": "Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.",
  "title": "MailTester Email Verification",
  "repository": {
    "url": "https://github.com/mailtester-com/mailtester-mcp",
    "source": "github"
  },
  "version": "1.0.1",
  "websiteUrl": "https://app.mailtester.com/agent-gateway",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://app.mailtester.com/mcp",
      "headers": [
        {
          "description": "Bearer <api_key>. Get a free key (25 verifications/day) with the get_api_key tool or POST https://app.mailtester.com/agent-gateway/register",
          "isSecret": true,
          "name": "Authorization"
        }
      ]
    }
  ]
}