Individual skill
security-headers-check
Check HTTP security headers on any URL. Grades CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy. Produces an A-F report with specific missing or misconfigured headers. No signup.
skills/security-headers-check/SKILL.md
Source commit e17f9081b1b1746a837bb188f6ef3245d720fc4b
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- No
- Repository scan complete
- No
- Skill scan complete
- Yes
- Observed behavior
- Not checked yet
- Last checked
- Nov 4, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
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An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.
Repository context
- Repository stars (not skill ratings)
- 13
- Repository last updated
- Nov 1, 2026
- License
- Apache-2.0
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- accessibility Repository topic
- claude-code Repository topic
- code-review Repository topic
- core-web-vitals Repository topic
- playwright Repository topic
- privacy Repository topic
- qa Repository topic
- quality-assurance Repository topic
- security Repository topic
- seo Repository topic
- writing Derived category
- security Derived category
Files and excerpt
File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.
Browse files
SKILL.mdcore · 3,061 bytes
Read excerpt
# Security Headers Check
Grade the HTTP security headers of any website. No signup required.
## Prerequisites
- **Playwright MCP** (comes with Claude Code)
## Trigger
- "Check security headers on https://..."
- "Security headers scan mysite.com"
- "Is my site missing any security headers?"
