Domain Intel MCP Server

Domain & Company Intel MCP — by SelfLabbs

Domain and company intelligence for AI agents. Give an agent a domain or email address and it can vet the company, qualify the lead, or map the target — all from free public data, no API keys.

Tools

No API keys required for any tool.

Quick start (hosted)

Claude Code

claude mcp add --transport http domain-intel https://domain-intel-mcp.greenfield1775.workers.dev/mcp

Claude Desktop / other clients

{
  "mcpServers": {
    "domain-intel": {
      "command": "npx",
      "args": ["mcp-remote", "https://domain-intel-mcp.greenfield1775.workers.dev/mcp"]
    }
  }
}

Example agent workflows

• "Is acme.com a real, established business? When was it registered?" → domain_intel
• "This lead's email is @acme.io — can it receive mail, is it a throwaway?" → email_deliverability
• "What's competitor.com built on?" → tech_stack
• "Map the public subdomains of target.com" → subdomains

Self-host (Cloudflare Workers, free tier)

Create a Worker, paste worker.js, deploy. Optional SERVER_API_KEY env var gates access behind Authorization: Bearer <key>. No other configuration needed.

License

MIT. Data from RDAP, Cloudflare DNS, and crt.sh under their respective terms.