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Email Verification — Real-Time Deliverability Check

Communication Remote 2 tools

Email verification API for AI agents. Validate any email address in real-time with syntax check, MX record validation, disposable provider detection (Mailinator, Guerrilla Mail, 100+ providers), role-based flags (admin@, info@), and composite quality score 0-100. Tools: email_verify_address (single), email_verify_batch (up to 100 emails). Use this BEFORE sending outreach emails, adding contacts to CRM, or processing signups. Essential for cleaning email lists, detecting fake registrations, and qualifying leads. Drop-in replacement for Hunter.io email verification at 15x lower cost. Returns: {valid, syntax, mx, disposable, role, free, score, email}. No API key required — x402 micropayment $0.002/call on Base L2.

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How to connect

1
Add the remote MCP URL
Paste this endpoint into Claude, ChatGPT, or Cursor MCP settings.
https://email-verification--axel-belfort.run.tools
2
Verify the tools loaded
Confirm tools/list returns the expected tools before relying on them in production.

Tools

(2)
  • email_verify_address

    Verify email deliverability in real-time. Alternative to Hunter email-verifier at 15x lower cost. Returns a structured JSON report with syntax, MX, disposable detection, role-based flags, and quality

  • email_verify_batch

    Use this when you need to validate multiple email addresses at once (up to 100). Returns a JSON array of verification results plus summary counts. 1. results (array) -- each entry has valid, syntax,

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