PagePulse

Instant website report card — beautiful real-time security, SSL, DNS, and tech analysis with a halftone generative art UI.

Powered by sentinel-mcp.

What it does

Enter any URL and get a live security report card in seconds. PagePulse streams results in real time as each scan completes:

Scan	What it checks
HTTP Security Headers	HSTS, CSP, X-Frame-Options, and 7+ more headers — graded A+ to F
SSL/TLS Certificate	Cert validity, expiry, trust chain, protocol version, cipher strength
DNS & Email Security	SPF, DMARC, DKIM, CAA records — flags email spoofing risk
Technology Fingerprint	Detects web servers, frameworks, CMS, CDN/WAF from headers + HTML
Port Scan	30 high-risk ports checked, flags exposed databases/RDP/Telnet

Results include an overall grade, critical findings, MITRE ATT&CK mapping, and per-category score breakdowns.

Design

• Halftone dot animated canvas background (mouse-reactive)
• Blue #1a3adb on cream #f5f0e8 color palette
• Space Grotesk + Space Mono typography
• Real-time progress indicators via Server-Sent Events
• Animated grade circle rendered with canvas dots

Quick start

# 1. Build sentinel-mcp (the scanning engine)
cd sentinel-mcp
npm install
npm run build

# 2. Start PagePulse
cd ../pagepulse
npm install
npm start

Open http://localhost:3000 and scan any site.

Tech stack

• Frontend: Vanilla HTML/CSS/JS, Canvas API, SSE
• Backend: Express.js (v5), Node.js
• Scanning engine: sentinel-mcp — zero external dependencies, uses Node built-in tls, dns, net, https

Authorization

Only scan targets you are authorized to test. This tool is intended for defensive security assessments, penetration testing engagements, and educational use.

License

MIT