ContactLint MCP Server: Install & Setup

Install ContactLint in Claude Code

Claude Code

claude mcp add --transport http contactlint https://contactlint.com/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "contactlint": {
      "url": "https://contactlint.com/mcp"
    }
  }
}

Frequently asked questions

What does the ContactLint MCP server do?

Validate emails (MX, disposable, role, typo) and phone numbers, singly or in batches, for AI agents.

Is the ContactLint MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does ContactLint run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add ContactLint to Claude Code?

Run: claude mcp add --transport http contactlint https://contactlint.com/mcp

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