Individual skill

analyzing-security-headers

Analyze HTTP security headers of web domains to identify vulnerabilities and misconfigurations. Use when you need to audit website security headers, assess header compliance, or get security recommendations for web applications. Trigger with phrases like "analyze security headers", "check HTTP headers", "audit website security headers", or "evaluate CSP and HSTS configuration".

skills/.curated/analyzing-security-headers/SKILL.md

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Nov 12, 2026
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# Analyzing Security Headers

## Overview

Evaluate HTTP response headers for web applications against OWASP Secure Headers Project recommendations and browser security baselines. Identify missing, misconfigured, or information-leaking headers across both HTTP and HTTPS responses.

## Prerequisites

- Target URL or domain name accessible over the network
- Authorization to perform HTTP requests against the target domain
- Network connectivity for both HTTP and HTTPS protocols
- Optional: write access to `${CLAUDE_SKILL_DIR}/security-reports/` for persisting results

## Instructions
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