Can I use this for local development testing?

As long as the development server is accessible via a URL that the WebFetch tool can reach, the skill can analyze the headers of your local or staging environment.

Does this skill provide actual code for fixing issues?

Yes, the generated report includes specific recommendations and best practice patterns that you can implement to improve your security grade.

What specifically does this skill analyze?

It fetches and inspects HTTP response headers like Content-Security-Policy, Strict-Transport-Security, X-Content-Type-Options, and more to identify security gaps.

How do I trigger a security scan with Claude?

You can simply ask Claude to 'analyze security headers for [your-domain.com]' or 'run a security audit on [URL]' and the skill will activate automatically.

Security Headers Analyzer

Name: Security Headers Analyzer
Author: jeremylongshore

byjeremylongshore

•

883

Security & Testing

Analyzes website HTTP headers to identify potential vulnerabilities and provides actionable security improvement recommendations.

About

The Security Headers Analyzer skill empowers Claude to perform automated security audits of any given domain or URL by examining its HTTP response headers. It evaluates crucial security configurations such as HSTS, Content Security Policy (CSP), and X-Frame-Options, providing a comprehensive report that includes a numerical score, a letter grade, and specific implementation advice. This skill is essential for developers and security professionals looking to harden their web applications against common attack vectors like Cross-Site Scripting (XSS) and clickjacking.

Key Features

Security grading and scoring system
Actionable recommendations for HSTS and CSP implementation
Detection of missing or misconfigured security headers
883 GitHub stars
Automatic activation via security-related natural language queries
Automated HTTP header extraction and analysis

Use Cases

Verifying compliance with web security best practices
Identifying vulnerabilities in production environments
Performing rapid security audits during the development lifecycle

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeremylongshore/claude-code-plugins-plus-skills security-headers-analyzer

For use in Claude.ai and ChatGPT

Download Skill

GitHub