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Purpose-built code security audit covering OWASP Top 10, auth flows, secrets, input validation, and injection review.
Best Security Audit Skills for Claude Code (2026)
The best Claude Code skills for security audit work — from official skill repos to community contributors. Hand-filtered from 14 genuinely relevant results across 30,000+ skills.
✅ 10 curated📊 14 relevant in catalog
At a glance
Our top pick for security audit is security-auditor: Purpose-built code security audit covering OWASP Top 10, auth flows, secrets, input validation, and injection review. semgrep and codeql round out the podium. This list includes skills maintained by Trail of Bits, OpenAI. 10 of the 10 picks are rated high-relevance for this exact use case.
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Runs Semgrep SAST scans with parallel subagents in full or high-confidence modes, from the reputable Trail of Bits.
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Deep vulnerability discovery via CodeQL interprocedural data-flow and taint tracking, from Trail of Bits.
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Produces structured security audit reports with severity ratings and actionable remediation guidance.
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End-to-end security audit with STRIDE/PASTA threat modeling, OWASP checks, red/blue team, and incident response.
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Repository-grounded threat modeling enumerating trust boundaries, assets, attacker capabilities, and mitigations.
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Security-focused differential review of PRs/commits/diffs, computing blast radius using git history context.
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Fail-closed audit chaining trufflehog secret scanning, Semgrep SAST, prompt-injection and supply-chain checks.
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Multi-stage pipeline that validates whether vulnerability findings are real, reachable, and actually exploitable.
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Language- and framework-specific security best-practice reviews with concrete improvement suggestions, from OpenAI.
Frequently asked
What is the best security audit skill for Claude Code?
security-auditor (from LeoYeAI/openclaw-master-skills) is our #1 pick. Purpose-built code security audit covering OWASP Top 10, auth flows, secrets, input validation, and injection review. It ranked first out of 14 genuinely relevant skills we evaluated for security audit.
Are there official security audit skills from major companies?
Yes — this ranking includes skills maintained by Trail of Bits, OpenAI. Official and corporate-maintained skills tend to be better documented and more actively updated than one-off community scripts.
How do I install a security audit skill in Claude Code?
Open any skill on this list for full instructions. In most cases you copy the skill folder (with its SKILL.md) into your project's .claude/skills/ directory, or install it via the source repo's plugin marketplace. All 10 listed skills are open source and free.