deep-audit

deep-audit is a skill for Claude Code, Codex from floomhq/moto. It costs 61 tokens per session (939 once invoked), scanned A, original, MIT.

A structured review of a codebase, system, or other technical artifact. It checks areas such as code quality, security, performance, dependencies, and technical debt, then ranks the findings by severity.

In plain words
What is it for?
Use it for security audits, performance reviews, full codebase reviews, dependency checks, and finding accumulated maintenance problems.
Why use it?
It provides a broader picture of problems than a quick code review and helps focus work on the most important risks.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions CLAUDE.md.

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.

agentmods
npx agentmods add skills/floomhq/moto/deep-audit
Any agent
npx skills add floomhq/moto --skill deep-audit
Clone the repo
git clone --depth 1 https://github.com/floomhq/moto

Made for: Claude Code, Codex.

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 deep-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/floomhq/moto/deep-audit.svg)](https://agentmods.dev/skills/floomhq/moto/deep-audit)
Your own site
<a href="https://agentmods.dev/skills/floomhq/moto/deep-audit"><img src="https://agentmods.dev/badge/skills/floomhq/moto/deep-audit.svg" alt="Measured on agentmods" height="20"></a>
Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 939 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00061 $0.00939
Opus 5 $0.00030 $0.00469
Sonnet 5 $0.00012 $0.00188
Haiku 4.5 $0.00006 $0.00094

Measured 6d ago against content hash bd1f4ebb544f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

deep-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 6d 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.

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.

claude/skills/deep-audit/SKILL.md · 148 lines

How it starts

The opening of the file, as written. The whole thing — 148 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Deep Audit Skill

Purpose

A systematic, thorough review of a codebase, system, or artifact. Not a quick scan - a deep investigation that surfaces issues a casual review would miss.

Step 1: Define audit scope

Clarify:

  • What is being audited? (codebase, API, database, infrastructure, specific module)
  • What type of audit? (security, performance, code quality, UX, all)
  • What is the output? (prioritized issue list, report, PR with fixes)

Step 2: Gather context

# Understand the project structure
find . -type f -name "*.ts" | head -50
ls -la

# Read key files
cat CLAUDE.md README.md package.json

# Check recent changes
git log --oneline -20

# Check open issues
gh issue list --limit 20

Step 3: Run automated checks

Code quality

# TypeScript errors
npx tsc --noEmit

# Linting
npm run lint

# Test coverage
npm test -- --coverage

Security

# Check for known vulnerabilities
npm audit

# Check for hardcoded secrets
grep -r "password\|secret\|api_key\|token" --include="*.ts" --include="*.js" . | grep -v ".test." | grep -v "node_modules"

Dependencies

# Outdated packages
npm outdated

# Unused dependencies (if depcheck is available)
npx depcheck

Step 4: Manual review

Security checklist

  • No secrets in code or git history
  • Input validation on all user-controlled data
  • SQL injection prevention (parameterized queries)
  • XSS prevention (output escaping)
  • Authentication on protected routes
  • Authorization checks (can user access this resource?)
  • Rate limiting on public endpoints
  • Error messages don't expose internals

Code quality checklist

  • No dead code (functions never called, variables never used)
  • No duplicate logic (DRY violations)
  • No magic numbers/strings (should be named constants)
  • No TODO/FIXME comments without linked issues
  • Error handling is consistent and not swallowed
  • Logging is useful (not too verbose, not missing)

Read the full file on GitHub · 148 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. 6d ago First seen · 148 lines · 61 tokens per session scan A bd1f4ebb544f

Subscribe to this mod's changes

deep-audit is a skill published in the GitHub repository floomhq/moto (32 stars, last pushed 2mo ago), licensed MIT. It adds 61 tokens to every session and 939 once invoked, about $0.0003 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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