Domain MCP Server

Domain & company intel for AI agents: RDAP, DNS, email deliverability, tech stack. No API keys.

Remote serverstreamable-http

What is the Domain MCP server?

Domain MCP server exists for a simple reason — assistants are far more useful when they can act on Domain directly instead of describing what you should do. Domain & company intel for AI agents: RDAP, DNS, email deliverability, tech stack. No API keys.

What you get

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.

What the assistant can call

Once Domain is connected, these are the calls the assistant has available:

  • domain_intel — Registrar, creation/expiry dates, domain age, EPP status, nameservers, DNSSEC, abuse contact
  • dns_lookup — A, AAAA, MX, NS, TXT, CNAME, SOA records
  • email_deliverability — MX presence, SPF/DMARC posture, free vs. disposable provider, verdict
  • tech_stack — Web server, CMS/framework, CDN, analytics, security headers, page title
  • subdomains — Subdomain discovery from Certificate Transparency logs
  • domain_report — One call returns a full dossier: registration + DNS + email deliverability + tech stack, combined

Configuration and credentials

You will need one environment variable: SERVER_API_KEY. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Setting it up

Being a remote server, there is no local install. You register the endpoint with your client, authorise it once, and the tools appear.

Choosing this one

Plenty of team communication servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Domain's toolset — domain_intel, dns_lookup, email_deliverability and 3 more — is a fair guide to whether it matches your workflow. It is maintained by com.datakoot; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Before you rely on it

  • Your data travels to the provider's service, so the usual questions apply about what you send and what they retain.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the domain mcp server does with a few real requests.

Available tools

ToolWhat it does
domain_intelRegistrar, creation/expiry dates, domain age, EPP status, nameservers, DNSSEC, abuse contact
dns_lookupA, AAAA, MX, NS, TXT, CNAME, SOA records
email_deliverabilityMX presence, SPF/DMARC posture, free vs. disposable provider, verdict
tech_stackWeb server, CMS/framework, CDN, analytics, security headers, page title
subdomainsSubdomain discovery from Certificate Transparency logs
domain_reportOne call returns a full dossier: registration + DNS + email deliverability + tech stack, combined

How to install the Domain MCP server

**Claude Desktop / other clients**
```json
{
  "mcpServers": {
    "domain-intel": {
      "command": "npx",
      "args": ["mcp-remote", "https://domain.datakoot.com/mcp"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
SERVER_API_KEYCredential the server authenticates with.Yes

Example prompts to try

  • Use Domain to domain intel.
  • Use Domain to dns lookup.
  • Use Domain to email deliverability.

Frequently asked questions

It connects Domain to MCP-compatible AI assistants such as Claude and Cursor, exposing 6 tools (domain_intel, dns_lookup, email_deliverability, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Domain directly.