NoBounce Email Validation

Connect Remote server

claude mcp add --transport http nobounce-mcp https://nobounceapi.com/mcp --header "X-API-Key: <X_API_KEY>"

{
  "mcpServers": {
    "nobounce-mcp": {
      "url": "https://nobounceapi.com/mcp",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "nobounce-mcp": {
      "type": "http",
      "url": "https://nobounceapi.com/mcp",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://nobounceapi.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 4 found in our last check

• validate_email

  Validate a single email address in real time using NoBounce API. Checks RFC 5322 syntax, DNS MX records, 5,000+ disposable providers, role accounts, free webmail providers, typo suggestions, and optional SMTP handshake.

• validate_emails_bulk

  Validate a batch of up to 1,000 email addresses in a single call using NoBounce API. Returns per-email validation results plus summary counts (valid, invalid, disposable, catch_all, unknown).

• find_email

  Find and verify a person's B2B work email address given their name (first_name + last_name or full_name) and company domain. Generates corporate email permutations and verifies them via MX, Microsoft 365, Gravatar, and live SMTP handshake. Uses your shared NoBounce credit pool (…

• get_domain_intelligence

  Inspect a company domain's email infrastructure: MX records, email provider (Google Workspace, Microsoft 365, Zoho Mail, Proofpoint, Mimecast, etc.), SPF/DMARC security policies, disposable/free flags, catch-all status, and overall deliverability grade.

Headers

Details

More communication servers See all

• Formpit

  Form backend with an inbox: create form endpoints, read submissions and reply by email.

• IGNOREO

  Tools for AI agents, pay per call in USDC (x402): privacy scan, site/email/VIN checks, chess, more

• Palimpalem

  Websites for local businesses: draft, keep, edit by chat, publish; domain, DNS, e-mail, Plus.

• Quokka Korea Tools

  Korean holidays, business days & legal deadlines, won amounts in words, NEIS/SMS byte counts

• Turbo Notify: WhatsApp for AI agents

  Send, receive, edit and react to WhatsApp messages from your own number. OAuth or API key sign-in.

• Turbo Notify: WhatsApp for AI agents

  Send, receive, edit and react to WhatsApp messages from your own number. OAuth or API key sign-in.