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audit-skills

audit-skills is a skill for Claude Code from Ghosteken/agent-harness. It costs 55 tokens per session (1,561 once invoked), scanned B, a copy of audit-skills, MIT.

A security-review method for inspecting AI skills and bundles without running them, looking for malicious code, data leaks, hidden payloads, and platform-specific risks.

In plain words
What is it for?
Use it to review skill code for dangerous permissions, credential exposure, obfuscation, system changes, and other security threats.
Why use it?
It helps determine whether an add-on is trustworthy before it is used on Windows, macOS, Linux, Android, or iOS.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the agent-harness plugin — 173 skills, 14 commands, 12 agents shipped together

not rated 2repo yesterday B scan 55 tokens copy · 88% MIT

Good fit Use it to review skill code for dangerous permissions, credential exposure, obfuscation, system changes, and other security threats.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ghosteken/agent-harness/audit-skills
View source ↗ Ghosteken/agent-harness
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Ghosteken/agent-harness --skill audit-skills
Clone the repo
git clone --depth 1 https://github.com/Ghosteken/agent-harness

Made for: Claude Code.

Or install agent-harness, the plugin that ships this one along with the rest of its 173 skills, 14 commands, 12 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for audit-skills

README.md
[![agentmods](https://agentmods.dev/badge/skills/ghosteken/agent-harness/audit-skills/github.svg)](https://agentmods.dev/skills/ghosteken/agent-harness/audit-skills)
Your own site
<a href="https://agentmods.dev/skills/ghosteken/agent-harness/audit-skills"><img src="https://agentmods.dev/badge/skills/ghosteken/agent-harness/audit-skills/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for audit-skills

Your own site · 80×15
<a href="https://agentmods.dev/skills/ghosteken/agent-harness/audit-skills"><img src="https://agentmods.dev/badge/skills/ghosteken/agent-harness/audit-skills.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,561 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 88% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00055 $0.01561
Opus 5 $0.00028 $0.00781
Sonnet 5 $0.00011 $0.00312
Haiku 4.5 $0.00006 $0.00156

Measured 9d ago against content hash 03198a29c5eb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade B, and why

audit-skills scanned grade B with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Recursive force deletemediumDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

- **Linux/Unix**: `apt-get purge`, `yum remove`, `rm -rf /usr/bin/...`.

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- **Patterns**: `curl`, `wget`, `Invoke-WebRequest`, `Invoke-RestMethod`, `scp`, `ftp`, `nc`, `socat`.
Origin

This is a copy

88% identical to audit-skills — 9 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

archive/skills-community/audit-skills/SKILL.md · 134 lines

How it starts

The opening of the file, as written. The whole thing — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Audit Skills (Premium Universal Security)

Overview

Expert security auditor for AI Skills and Bundles. Performs non-intrusive static analysis to identify malicious patterns, data leaks, system stability risks, and obfuscated payloads across Windows, macOS, Linux/Unix, and Mobile (Android/iOS). 2-4 sentences is perfect.

When to Use This Skill

  • Use when you need to audit AI skills and bundles for security vulnerabilities
  • Use when working with cross-platform security analysis
  • Use when the user asks about verifying skill legitimacy or performing security reviews
  • Use when scanning for mobile threats in AI skills

How It Works

Step 1: Static Analysis

Performs non-intrusive static analysis to identify malicious patterns, data leaks, system stability risks, and obfuscated payloads.

Step 2: Platform-Specific Threat Detection

Analyzes code for platform-specific security issues across Windows, macOS, Linux/Unix, and Mobile (Android/iOS).

1. Privilege, Ownership & Metadata Manipulation
  • Elevated Access: sudo, chown, chmod, TakeOwnership, icacls, Set-ExecutionPolicy.
  • Metadata Tampering: touch -t, setfile (macOS), attrib (Windows), Set-ItemProperty, chflags.
  • Risk: Unauthorized access, masking activity, or making files immutable.
2. File/Folder Locking & Resource Denial
  • Patterns: chmod 000, chattr +i (immutable), attrib +r +s +h, Deny ACEs in icacls.
  • Global Actions: Locking or hiding folders in %USERPROFILE%, /Users/, or /etc/.
  • Risk: Denial of service or data locking.
3. Script Execution & Batch Invocation
  • Legacy/Batch Windows: .bat, .cmd, cmd.exe /c, vbs, cscript, wscript.
  • Unix Shell: .sh, .bash, .zsh, chmod +x followed by execution.
  • PowerShell: .ps1, powershell -ExecutionPolicy Bypass -File ....
  • Hidden Flags: -WindowStyle Hidden, -w hidden, -noprofile.
4. Dangerous Install/Uninstall & System Changes
  • Windows: msiexec /qn, choco uninstall, reg delete.
  • Linux/Unix: apt-get purge, yum remove, rm -rf /usr/bin/....
  • macOS: brew uninstall, deleting from /Applications.
  • Risk: Removing security software or creating unmonitored installation paths.

Read the full file on GitHub · 134 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 134 lines · 55 tokens per session scan B 03198a29c5eb

Subscribe to this mod's changes

audit-skills is a skill published in the GitHub repository Ghosteken/agent-harness (2 stars, last pushed yesterday), licensed MIT. It adds 55 tokens to every session and 1,561 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 2 findings (recursive force delete, makes network calls). It is 88% identical to audit-skills, differing in 9 lines, and is treated as a copy.

Claude CodeSecurityagent-orchestrationagent-skillsai-agentsauditautomationbundlescross-platformdevtoolsskills
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