skill-security-auditor

Q: What is a Claude Code skill and how does the skill-security-auditor skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. skill-security-auditor is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: security-misc · Last updated: 2026-06-10

Security audit and vulnerability scanner for AI agent skills before installation. Use when: (1) evaluating a skill from an untrusted source, (2) auditing a skill directory or git repo URL for malicious code, (3) pre-install security gate for Claude Code plugins, OpenClaw skills, or Codex skills, (4) scanning Python scripts for dangerous patterns like os.system, eval, subprocess, network exfiltration, (5) detecting prompt injection in SKILL.md files, (6) checking dependency supply chain risks, (7) verifying file system access stays within skill boundaries. Triggers: "audit this skill", "is this skill safe", "scan skill for security", "check skill before install", "skill security check", "skill vulnerability scan".

From the source SKILL.md

Scan and audit AI agent skills for security risks before installation. Produces a clear PASS / WARN / FAIL verdict with findings and remediation guidance.

What this skill does

skill-security-auditor is a community-contributed Claude Code skill in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/cs-skill-security-auditor/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when: (1) evaluating a skill from an untrusted source, (2) auditing a skill directory or git repo URL for malicious code, (3) pre-install security gate for Claude Code plugins, OpenClaw skills, or Codex skills, (4) scanning Python scripts for dangerous patterns like os.system, eval, subprocess, network exfiltration, (5) detecting prompt injection in SKILL.

Who uses this skill

The skill-security-auditor Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 117,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/cs-skill-security-auditor
curl -L https://claudskills.com/skills/cs-skill-security-auditor/SKILL.md \
  -o ~/.claude/skills/cs-skill-security-auditor/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/cs-skill-security-auditor/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/cs-skill-security-auditor/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\cs-skill-security-auditor\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the skill-security-auditor Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/cs-skill-security-auditor/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the skill-security-auditor skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the skill-security-auditor skill?

Use skill-security-auditor when your Claude Code task falls under the Security category — specifically in the security misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use skill-security-auditor" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the skill-security-auditor skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. skill-security-auditor is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/ndesv21/openclaw-master-skills/blob/HEAD/skills/cs-skill-security-auditor/SKILL.md
License: MIT
Author: ndesv21
Website: https://myclaw.ai

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

ndesv21. (2026). skill-security-auditor [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/cs-skill-security-auditor/

BibTeX

@misc{cs-skill-security-auditor-2026,
  author    = {ndesv21},
  title     = {skill-security-auditor [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/cs-skill-security-auditor/}
}

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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