Email Verifier

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "email-verifier-3": {
      "type": "http",
      "url": "https://verify.noahsarch.tech/mcp"
    }
  }
}

5 tools

• verify_email

  Full check of one address: RFC syntax and normalisation, domain existence and MX records (incl. null-MX and implicit-MX), disposable-provider list (10k+ domains), role account, free-mail provider, typo suggestion; optional SMTP RCPT probe with catch-all detection and optional…

• verify_emails

  Same checks as verify_email for a list, run in parallel with per-domain DNS caching; returns per-address results, a summary by status, and `clean` (the deliverable ones). Charged per unique address. Example: emails ['[email protected]','[email protected]'], smtp_check false. Response: result with…

• domain_check

  Does the domain accept mail, which MX hosts, is it a disposable or free-mail provider, does it publish SPF and DMARC (and the DMARC policy)? Use before trusting a sender domain or when onboarding a company. Example: domain 'noahsarch.tech'. Response: result with status…

• extract_emails

  Find every address in a block of text or HTML (deduped by default). Free. Pair with verify_emails. Response: result with status (deliverable | risky | undeliverable | invalid | unknown), reason, score 0–100, the checks run, plus data_confidence, estimated_items[], sources[]…

• suggest_fix

  Fix common typos: gmial.com, hotmail.con, yaho.com, stray spaces/dots. Returns the suggestion (or null) and which fixes applied. Free. Example: email '[email protected]'. Response: result with status (deliverable | risky | undeliverable | invalid | unknown), reason, score 0–100…

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