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Domain intelligence for agents: WHOIS, DNS, SSL/TLS, security headers, reputation, subdomains.
About
Domain intelligence for agents: WHOIS, DNS, SSL/TLS, security headers, reputation, subdomains.
Security Report
This MCP server provides domain intelligence analysis via legitimate DNS, WHOIS, SSL, and HTTP header inspection tools. The code is well-structured with proper error handling and input validation. However, there are moderate concerns around unvalidated redirect following in HTTP header analysis and broad network access that users should be aware of. Permissions are appropriate for the server's stated purpose of analyzing domains. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 1 high severity). Package verification found 1 issue.
7 files analyzed · 9 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-bishop81-domainintel-mcp": {
"args": [
"-y",
"@domainintel/mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
@domainintel/mcp
An MCP server that gives AI agents live domain intelligence: WHOIS, DNS, SSL/TLS, HTTP security headers, reputation, and subdomain discovery for any domain. It is the same analysis engine that powers DomainIntel.app.
Tools
| Tool | Returns |
|---|---|
whois_lookup | Registrar, creation/expiry/updated dates, registrant country, privacy status, nameservers |
dns_records | A, AAAA, MX, TXT, NS, CNAME, CAA records + SPF/DMARC presence + misconfiguration warnings |
ssl_certificate | Validity, issuer, expiration, days remaining, protocol, warnings |
security_headers | HSTS, CSP, X-Frame-Options and others, scored with recommendations |
domain_reputation | DNSBL / Spamhaus blocklist checks and a reputation score |
subdomain_discovery | Subdomains via Certificate Transparency logs and common-prefix probing |
full_domain_report | Every analyzer at once plus an overall A+ to F security score |
analyze_email_headers | Parses a raw email header block: SPF/DKIM/DMARC results, the Received delivery path with timing, key envelope fields, and a From-vs-Return-Path spoofing flag |
Every tool except analyze_email_headers takes a single domain argument; protocol, www., and paths are stripped automatically. analyze_email_headers takes a headers string (a pasted raw header block) instead.
Requirements
- Node.js 18 or newer
Install
Claude Code
claude mcp add domainintel -- npx -y @domainintel/mcp
Claude Desktop
Add to claude_desktop_config.json (Settings → Developer → Edit Config):
{
"mcpServers": {
"domainintel": {
"command": "npx",
"args": ["-y", "@domainintel/mcp"]
}
}
}
Any other MCP client
The server speaks MCP over stdio:
npx -y @domainintel/mcp
Example prompts
- "Run a full domain report on stripe.com"
- "What are the MX records for github.com, and does it have DMARC?"
- "Is the SSL certificate for example.org close to expiring?"
Development
Run from source (no build needed):
git clone <repo> && cd domainintel.app
npm install
npm run mcp # node mcp/server.mjs
Building & publishing
The published package is a single self-contained bundle (the analyzers and all JS dependencies are bundled with esbuild; Node built-ins resolve at runtime).
npm run build:mcp # from repo root -> mcp/dist/server.mjs
cd mcp && npm publish # prepublishOnly rebuilds the bundle
License
MIT
Reviews
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