validkit-mcp-server

[](https://www.npmjs.com/package/@validkit/mcp-server) [](https://www.npmjs.com/package/@validkit/mcp-server) [](https://www.typescriptlang.org/) [](https://opensource.org/licenses/MIT)

Model Context Protocol (MCP) server for ValidKit email validation. Validate emails directly from Claude Code, Cursor, Windsurf, and any MCP-compatible AI assistant -- syntax checks, MX record verification, disposable detection, and typo suggestions, all without leaving your editor.

claude mcp add validkit -e VALIDKIT_API_KEY=vk_your_api_key -- npx -y @validkit/mcp-server

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "validkit": {
      "command": "npx",
      "args": ["-y", "@validkit/mcp-server"],
      "env": {
        "VALIDKIT_API_KEY": "your_key"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "validkit": {
      "command": "npx",
      "args": ["-y", "@validkit/mcp-server"],
      "env": {
        "VALIDKIT_API_KEY": "your_key"
      }
    }
  }
}

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "validkit": {
      "command": "npx",
      "args": ["-y", "@validkit/mcp-server"],
      "env": {
        "VALIDKIT_API_KEY": "your_key"
      }
    }
  }
}

Sign up for free at validkit.com/get-started -- 1,000 validations/month included.