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Domain & Company Intel MCP

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Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http domain-company-intel-mcp 'https://domain.selflabbs.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "domain-company-intel-mcp": {
            "type": "http",
            "url": "https://domain.selflabbs.com/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Domain & Company Intel MCP — by Datakoot
  2. Tools
  3. Quick start (hosted)
  4. Try it in 10 seconds — no key, no signup
  5. Example agent workflows
  6. Pricing
  7. Self-host (Cloudflare Workers, free tier)
  8. License

Domain & Company Intel MCP — by Datakoot

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

ToolWhat it doesSource
domain_intelRegistrar, creation/expiry dates, domain age, EPP status, nameservers, DNSSEC, abuse contactRDAP
dns_lookupA, AAAA, MX, NS, TXT, CNAME, SOA recordsCloudflare DoH
email_deliverabilityMX presence, SPF/DMARC posture, free vs. disposable provider, verdictCloudflare DoH
tech_stackWeb server, CMS/framework, CDN, analytics, security headers, page titleLive fetch
subdomainsSubdomain discovery from Certificate Transparency logscrt.sh
domain_reportOne call returns a full dossier: registration + DNS + email deliverability + tech stack, combinedall-in-one

No API keys required for any tool.

Quick start (hosted)

Claude Code

claude mcp add --transport http domain-intel https://domain.datakoot.com/mcp

Claude Desktop / other clients

{
  "mcpServers": {
    "domain-intel": {
      "command": "npx",
      "args": ["mcp-remote", "https://domain.datakoot.com/mcp"]
    }
  }
}

Try it in 10 seconds — no key, no signup

Paste this into a terminal:

curl -s https://domain.datakoot.com/mcp \
  -H 'content-type: application/json' \
  -H 'accept: application/json, text/event-stream' \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "tech_stack", "arguments": {"domain": "stripe.com"}}}'

You get the detected technology stack behind stripe.com — no API key, nothing to sign up for.

Or point any MCP client at the URL and just ask your agent, in plain language:

  • "What tech stack does stripe.com run on?"
  • "Is this domain's email configured to prevent spoofing?"

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

Pricing

Free — 100 calls a day, keyless, no signup. Pro — $15/mo including 50,000 calls a month with no daily limit; one key unlocks all nine Datakoot servers. Go over the monthly allowance and you drop to free-tier speed for the rest of the month, or top up — never cut off, no metered overage. Full terms: datakoot.com/pricing.

Result lists are capped at 10 items per call on Free and uncapped on Pro.

All six tools work on the free tier with no key. A paid allowance is shared across all nine Datakoot servers rather than being nine separate buckets, and only a tools/call counts — connecting and listing tools are free. Full terms at datakoot.com/pricing.

Subscribe → — one subscription unlocks Pro on every Datakoot server.

Using your Pro key

After subscribing you receive a licence key. Pass it as a Bearer token and the free-tier caps are removed:

claude mcp add --transport http --header "Authorization: Bearer YOUR-KEY" domain-intel https://domain.datakoot.com/mcp

The key is validated against Polar on each request (cached briefly). Cancel anytime — access reverts to the free tier automatically.

Self-host (Cloudflare Workers, free tier)

The worker.js in this repository is a snapshot of the hosted server, not a live mirror of it — the hosted endpoint is deployed independently and may be ahead. Create a Worker, paste worker.js, deploy.

License

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

Frequently asked questions

What is Domain & Company Intel MCP?

Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.

How do I install Domain & Company Intel MCP?

It runs as a remote server. In Claude Code: claude mcp add --transport http domain-company-intel-mcp 'https://domain.selflabbs.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Domain & Company Intel MCP need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Domain & Company Intel MCP open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Domain & Company Intel MCP?

It is published by selflabbs. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.