Email Verification API MCP Server

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 score 0-100. 1. valid (boolean) -- overall verdict 2. syntax (boolean) -- RFC 5322 format check 3. mx (boolean) -- domain has working mail servers 4. disposable (boolean) -- Mailinator, Guerrilla Mail, 100+ throwaway providers 5. role (boolean) -- role-based address (admin@, info@, support@) 6. free (boolean) -- free provider (Gmail, Yahoo, Outlook) 7. score (number 0-100) -- composite quality score Example output: {"valid":true,"syntax":true,"mx":true,"disposable":false,"role":false,"free":true,"score":85,"email":"[email protected]"} Use this BEFORE sending outreach emails, adding contacts to CRM, or processing signups. Essential for verifying email deliverability, cleaning email lists, detecting fake registrations, and qualifying leads. Drop-in replacement for Hunter email verification. Do NOT use for finding emails -- use email_find_by_name instead. Do NOT use for person data -- use person_enrich_from_email instead. Do NOT use for domain deliverability audit (SPF/DKIM/DMARC) -- use email_audit_deliverability instead.

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, mx, disposable, role, free, score 2. summary.total (number) -- total emails processed 3. summary.valid (number) -- count of valid emails 4. summary.invalid (number) -- count of invalid emails 5. summary.disposable (number) -- count of disposable addresses caught Example output: {"results":[{"email":"[email protected]","valid":true,"score":90},{"email":"[email protected]","valid":false,"score":10}],"summary":{"total":2,"valid":1,"invalid":1,"disposable":1}} Use this FOR bulk list cleaning, CRM hygiene, or pre-campaign validation. Essential when you have 5+ emails to verify at once. Do NOT use for single emails -- use email_verify_address instead. Do NOT use for finding emails -- use email_find_by_name instead.