/sentinel:headersFREE

HTTP Security Headers

Analyzes security headers for a given URL. Context-aware grading based on exploitable risk, not checkbox compliance.

What it does

CSP, HSTS, X-Frame-Options, Referrer-Policy, Permissions-Policy

Platform-specific fix instructions (Vercel, Cloudflare, Netlify)

What you get by plan

FREE

Header grading by exploitable risk with platform-specific fixes.

CSP, HSTS, X-Frame, Referrer, Permissions
Risk-weighted grade, not checkbox compliance
WHY explanation per missing header
Vercel, Cloudflare, Netlify fix snippets

Other Sentinel skills

/sentinel:assessFREE

Security AssessmentAssesses your project's security surface — detects stack, package managers, security tooling, and integrations. Generates config for ongoing scanning.

/sentinel:scanPRO

Full Security ScanCombines Semgrep static analysis and dependency audit. Writes findings to tasks-plans/tasks.md with severity mapping.

/sentinel:audit-depsFREE

Dependency CVE AuditFocused vulnerability audit. Reports CVEs with installed/fixed versions and exact upgrade commands.

/sentinel:package-riskPRO

Package Risk AnalysisAnalyzes an installed package's source code for suspicious behavior patterns — eval calls, network requests, environment access, and obfuscation.

Try it in your terminal

Install free. No credit card required.

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