Contact Verify MCP Server

Real mailbox-level email check ($0.01) and live phone line-type lookup ($0.02), pay per call via x402.

Business & Payments MIT license Added Oct 20, 2026 Self-hosted

Contact Verify is a Business & Payments MCP (Model Context Protocol) server: Real mailbox-level email check ($0.01) and live phone line-type lookup ($0.02), pay per call via x402. It is MIT-licensed. Listed on MCP Collection since October 2026.

About Contact Verify

Contact Verify gives agents email verification and phone lookup with no signup and no API key. Tools: verify an email at the mailbox level ($0.01, with a $0.002 basic tier), check a domain's mail setup, check a sender, batch email checks, and phone line-type lookup ($0.02). Pay per call in USDC on Base via x402 (HTTP 402). Install: npx contact-verify-mcp. Docs: https://getcontactverify.com/docs/email-verification and https://getcontactverify.com/docs/phone-lookup

How to connect Contact Verify to Claude, Cursor or VS Code

Contact Verify is self-hosted. Install it from the source repository, then register its start command in your MCP client's config (Claude Code, Cursor, Windsurf or VS Code).

{
  "mcpServers": {
    "contact-verify": {
      "command": "<start command from the README>",
      "args": []
    }
  }
}

The exact command (often npx, uvx or docker) is in the project README.

Contact Verify FAQ

What is Contact Verify?

Contact Verify is a Model Context Protocol (MCP) server in the Business & Payments category. Real mailbox-level email check ($0.01) and live phone line-type lookup ($0.02), pay per call via x402. MCP servers expose tools that AI assistants like Claude can call during a conversation.

How do I use Contact Verify with Claude or Cursor?

Contact Verify is self-hosted. Install it from the source repository, then register its start command in your MCP client's config (Claude Code, Cursor, Windsurf or VS Code).

Is Contact Verify free to use?

Contact Verify is published under the MIT license, so the software itself is free to run. Hosted or API-backed servers may have their own usage tiers; check the project homepage.

More Business & Payments MCP servers