analyzing-security-headersClaude Skill

Analyzing Security Headers

Overview

This skill provides automated assistance for the described functionality.

Prerequisites

Before using this skill, ensure:

• Target URL or domain name is accessible
• Network connectivity for HTTP requests
• Permission to scan the target domain
• Optional: Save results to {baseDir}/security-reports/

Instructions

1. Collect the target URL/domain and environment context (CDN/proxy, redirects).
2. Fetch response headers (HTTP/HTTPS) and capture redirects/cookies.
3. Compare headers to recommended baselines and score gaps.
4. Provide concrete remediation steps and verify fixes.

See {baseDir}/references/implementation.md for detailed implementation guide.

Output

The skill produces:

Primary Output: Security headers analysis report

Report Structure:

# Security Headers Analysis - example.com

## Error Handling

See `{baseDir}/references/errors.md` for comprehensive error handling.

## Examples

See `{baseDir}/references/examples.md` for detailed examples.

## Resources

- OWASP Secure Headers Project: https://owasp.org/www-project-secure-headers/
- MDN Security Headers Guide: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers#security
- Security Headers Scanner: https://securityheaders.com/
- CSP Reference: https://content-security-policy.com/
- HSTS Preload: https://hstspreload.org/