skill-audit

skill-audit is a skill for Claude Code from nyldn/claude-octopus. It costs 24 tokens per session (3,238 once invoked), scanned A, original, MIT.

A systematic review of a codebase for quality problems, inconsistencies, broken features, or repeated bad patterns. It follows a defined scope and checklist before reporting findings.

In plain words
What is it for?
Pre-release reviews, technical-debt investigations, checking whole applications, and finding every instance of a problem pattern.
Why use it?
It helps find issues spread across an application instead of relying on one-file checks or ad hoc inspection.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: names the AskUserQuestion tool.

Part of the octo plugin — 70 skills, 106 commands, 10 agents, 18 hooks shipped together

Good fit Pre-release reviews, technical-debt investigations, checking whole applications, and finding every instance of a problem pattern.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nyldn/claude-octopus/skill-audit
About the project

Claude Octopus is an orchestration project that sends research, design, and coding tasks to Claude Code and other AI model providers so their results can be compared. Developers use it for multi-model work, disagreement detection, reviews, persistent context, and an optional workflow that moves from discovery through delivery. The catalogue entries are its commands, skills, agents, instructions, hooks, plugins, and settings.

nyldn/claude-octopus · 4,056 stars · on GitHub · reddit.com

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 nyldn/claude-octopus --skill skill-audit
Clone the repo
git clone --depth 1 https://github.com/nyldn/claude-octopus

Made for: Claude Code.

Or install octo, the plugin that ships this one along with the rest of its 70 skills, 106 commands, 10 agents, 18 hooks.

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 skill-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/nyldn/claude-octopus/skill-audit/github.svg)](https://agentmods.dev/skills/nyldn/claude-octopus/skill-audit)
Your own site
<a href="https://agentmods.dev/skills/nyldn/claude-octopus/skill-audit"><img src="https://agentmods.dev/badge/skills/nyldn/claude-octopus/skill-audit/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 skill-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/nyldn/claude-octopus/skill-audit"><img src="https://agentmods.dev/badge/skills/nyldn/claude-octopus/skill-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,238 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found 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 $0.00024 $0.03238
Opus 5 $0.00012 $0.01619
Sonnet 5 $0.00005 $0.00648
Haiku 4.5 $0.00002 $0.00324

Measured yesterday against content hash 987053d7d00b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

skill-audit scanned grade A with 0 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 yesterday.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

.claude/skills/skill-audit/SKILL.md · 587 lines

How it starts

The opening of the file, as written. The whole thing — 587 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Systematic Audit Process

Load skills/blocks/engineering-method-selection.md from the installed plugin and apply only the methods relevant to this task. Preserve this entry point's execution contract and output format. Read referenced skills as instructions; do not invoke the current command recursively or add provider calls from a seat.

Overview

Comprehensive, methodical auditing to find issues, inconsistencies, and broken features across a codebase.

Core principle: Define scope → Create checklist → Execute systematically → Report findings → Prioritize fixes.

For architecture simplification, load skills/blocks/architecture-simplification.md. Pin the revision, inspect recent churn and representative callers, then apply the deletion test. Do not recommend removing a small wrapper when it centralizes a security, cleanup, precedence, or failure invariant. A simplify verdict needs source evidence, a concrete caller, and migration and rollback steps.


When to Use

Use this skill when user wants to:

  • Audit entire application for issues
  • Find all instances of a problem pattern
  • Check for broken features systematically
  • Comprehensive quality verification
  • Identify inconsistencies across codebase

Do NOT use for:

  • Security vulnerability scanning (use skill-security-audit)
  • Code quality review (use skill-code-review)
  • Single file searches (use Grep/Glob directly)
  • Performance profiling

The Process

Phase 1: Scope Definition

Step 1: Understand Audit Objectives
**Audit Objectives:**

What to audit: [app features, code patterns, specific issues]
Why auditing: [what prompted this, what problem are we solving]
Scope: [entire app, specific module, particular feature set]
Depth: [surface-level or deep inspection]
Step 2: Define Audit Criteria

Use AskUserQuestion if needed:

**Audit Focus:**

Which aspects should I audit?
1. Functional - Do features work as expected?
2. Consistency - Are patterns applied uniformly?
3. Completeness - Are implementations finished?
4. Quality - Is code maintainable?
5. User-facing - Does UI/UX work correctly?
6. Integration - Do components work together?

Read the full file on GitHub · 587 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. yesterday Changed · +12 lines 987053d7d00b
  2. 9d ago First seen · 575 lines · 24 tokens per session scan A 171308f45b55

Subscribe to this mod's changes

skill-audit is a skill published in the GitHub repository nyldn/claude-octopus (4,056 stars, last pushed today), licensed MIT. It adds 24 tokens to every session and 3,238 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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