Domain Intelligence MCP MCP server

An official MCP server by Osiris Technical Institute providing read-only domain intelligence tools for AI agents. It aggregates WHOIS, RDAP, DNS, SSL certificate, live subdomain, and email security (SPF/DMARC/DKIM) data into a single endpoint, allowing agents to perform triage, attack surface analysis, and certificate monitoring.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Osiris Technical Institute

MCP endpoint (Streamable HTTP)

https://oti-labs.com/mcp

Vendor documentation

What you can do with it

Triage suspicious domains by checking age and SSL issuer
List live subdomains with their IPs for attack surface analysis
Check SSL certificate expiry dates for multiple domains
Verify email security configurations via SPF, DMARC, and DKIM

Tools advertised by the last live check:

domain_lookup
whois_lookup
dns_records
ssl_certificate
subdomains
email_security

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http domain-intelligence-mcp https://oti-labs.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add domain-intelligence-mcp --url https://oti-labs.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable domain-intelligence-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "domain-intelligence-mcp": {
      "url": "https://oti-labs.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "domain-intelligence-mcp": {
      "type": "streamableHttp",
      "url": "https://oti-labs.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start domain-intelligence-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "domain-intelligence-mcp": {
      "type": "http",
      "url": "https://oti-labs.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http domain-intelligence-mcp https://oti-labs.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "domain-intelligence-mcp": {
      "url": "https://oti-labs.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "domain-intelligence-mcp": {
      "serverUrl": "https://oti-labs.com/mcp"
    }
  }
}

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