# Ln 54 Codebase Auditor (agent skill)

> Ln 54 Codebase Auditor is an agent skill (a SKILL.md file) from levnikolaevich/claude-code-skills. Audits cross-cutting codebase health, security and maintainability; not a single-change review or specialist audit. It works with Claude Code and Codex and has 569 GitHub stars. Install it by copying the skill folder into your agent's skills directory.

Audits cross-cutting codebase health, security and maintainability; not a single-change review or specialist audit. Goal: Perform a broad, read-only production-code health audit. Find concrete cross-cutting failure, security, delivery, and maintenance risks without turning detector matches or personal style preferences into findings. Do not substitute for documentation trust, test-portfolio, whole-architecture, or persistence-specific review.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/levnikolaevich/claude-code-skills |
| Skill path | plugins/quality-assurance-suite/skills/ln-54-codebase-auditor/SKILL.md |
| Skill name | ln-54-codebase-auditor |
| GitHub stars | 569 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 1 |
| Plugin marketplace | levnikolaevich-skills-marketplace |
| Official | no |
| Works with | Claude Code, Codex |
| Category | Security |
| Last commit | Oct 5, 2026 |

## Add this skill

### Claude Code

```sh
/plugin marketplace add levnikolaevich/claude-code-skills
/plugin install quality-assurance-suite@levnikolaevich-skills-marketplace
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/levnikolaevich/claude-code-skills.git
cp -r claude-code-skills/plugins/quality-assurance-suite/skills/ln-54-codebase-auditor .agents/skills/ln-54-codebase-auditor   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/levnikolaevich/claude-code-skills.git
cp -r claude-code-skills/plugins/quality-assurance-suite/skills/ln-54-codebase-auditor .cursor/skills/ln-54-codebase-auditor   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

---

Canonical page: https://appsgit.com/skills/levnikolaevich-ln-54-codebase-auditor
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