Best Claude Code Skills for Security Engineers
Security engineers use these skills to catch vulnerabilities early, audit dependencies for CVEs, model threat surfaces, and generate secure-by-default code patterns — shifting security left in the development process.
How to use these skills
Point the skill at a repository, file, or dependency manifest. Most security skills output findings in SARIF or structured JSON so you can integrate them into your existing security workflow or CI pipeline.
20 skills for Security Engineers
Doc Coauthoring
Skill from anthropics/skills
Token Optimizer
Find the ghost tokens. Audit your Claude Code context window overhead, see where tokens go, get them back.
FFUF Web Fuzzing
Expert guidance for ffuf web fuzzing during penetration testing and security assessments
Claude Code SEO
100-point SEO audits across 6 dimensions with 27+ commands for comprehensive optimization
Kube Audit Kit
A Claude Code Skill for non-intrusive security audits of Kubernetes clusters.
Reddit Skill
Claude Code Agent Skill for searching and reading Reddit via OAuth2 API
SkillSemgrep
Claude Code安全扫描Skill：说句中文就能扫漏洞，基于Semgrep | Security scanning skill for Claude Code, powered by Semgrep
Spend Optimizer
Audit subscriptions and optimize credit card rewards. Claude Code skill.
Claude Skill Security Auditor
Claude Code skill for running structured security audits with actionable remediation plans
Haveibeenclawned
Security audit for OpenClaw agents — 72 checks, one command
Computer Forensics
Digital forensics techniques for investigation
Secure File Deletion
Implement secure data sanitization and deletion
Metadata Extraction
Analyze file metadata for forensic investigations
Threat Hunting with Sigma
Use Sigma rules for threat detection and hunting
Skills
AI agent skills repository
Skills
A bespoke Claude Code plugin marketplace featuring skills that extend Claude's capabilities for specialized tasks.
Skills
Reusable Codex/Claude skills, including md-to-xhs-cards for Markdown to Xiaohongshu (RedNote) image cards and direct XHS publishing
Skills
Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows
Skills
Claude Code skills based on The Minimalist Entrepreneur by Sahil Lavingia
Skills
NeuroSkill™ and NeuroLoop™ markdown files