NumRadar MCP Server: Install & Setup

Install NumRadar in Claude Code

Remote URL

Claude Code

claude mcp add --transport http numradar https://numradar.app/mcp

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

{
  "mcpServers": {
    "numradar": {
      "url": "https://numradar.app/mcp"
    }
  }
}

npm

Claude Code

claude mcp add numradar -e NUMRADAR_KEY=... -- npx -y @numradar/mcp

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

{
  "mcpServers": {
    "numradar": {
      "command": "npx",
      "args": [
        "-y",
        "@numradar/mcp"
      ],
      "env": {
        "NUMRADAR_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the NumRadar MCP server do?

Check whether phone numbers are registered on WhatsApp, from your AI agent.

Is the NumRadar 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 NumRadar run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add NumRadar to Claude Code?

Run: claude mcp add --transport http numradar https://numradar.app/mcp

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