audit-prep

A preparation workflow for security audits of Solidity projects, which are blockchain applications written in the Solidity programming language. It checks tests, documentation, code quality, dependencies, practices, deployment readiness, and project context.

In plain words
What is it for?
It analyzes audit readiness, can run selected phases or static-analysis tools, optionally applies listed fixes, scopes checks to changed files, and writes Markdown or JSON reports.
Why use it?
It gives a development team a scored checklist of issues to fix before paying for an external security audit.

Skill for Claude CodeCodex

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

Made for: Claude Code, Codex.

Per session 95 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,305 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 $0.00095 $0.04305
Opus 5 $0.00048 $0.02152
Sonnet 5 $0.00019 $0.00861
Haiku 4.5 $0.00010 $0.00430

Measured 2d ago against content hash 3ce31df12154, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

audit-prep 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 2d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (evals/grade.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

audit-prep/SKILL.md · 398 lines

How it starts

The opening of the file, as written. The whole thing — 398 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Solidity Audit Preparation — Orchestrator

Orchestrate a parallelized audit-prep pipeline. Do NOT perform analysis — discover files, dispatch agents, compile the scored report.

Modes

  • Default: full pipeline, all 8 phases + static analysis offer.
  • Single phase: coverage | quality | docs | hygiene | deps | practices | deploy | context
  • scan: static analysis only.
  • --fix: auto-apply fixes (NatSpec stubs, console removal, pragma locking, SafeERC20 wrapping).
  • --report <path>: write markdown report to file (no ANSI codes).
  • --no-scan: skip static analysis offer.
  • --scanner <tool>: run specific tool without prompting.
  • --diff <ref>: scope to files changed since git ref.
  • --ci: JSON output. Exit 0 if score >= threshold (default 75, --min-score N).

Report Format

Clean markdown. Each phase = one table with Status, Finding, and Recommendation columns. Score summary at the end. When rendered via --report, produces a polished .md file.

The report has these sections in order:

  1. Header (project, framework, scope)
  2. Phase 1–8, each as a titled section with a results table
  3. Score summary table
  4. Quick Wins table

Banner

Print the banner from the end of this file before doing anything else. Also include it at the top of --report markdown files.

Phase section template

## 1. Test Coverage

| Status | Finding | Recommendation |
|--------|---------|----------------|
| FAIL | Compiler warning — unused param in ConfigProvider:288 | Remove or rename the unused parameter |
| PASS | 4/4 contracts have test files | — |
| PASS | Branch coverage: 95.93% | — |
  • Status: PASS or FAIL
  • Finding: concise description of what was checked and the result
  • Recommendation: specific action to fix (only for FAIL rows; use for PASS)

Score summary

## Score Summary

| Phase | Score |
|-------|-------|
| 1. Test Coverage | 87/100 |
| 2. Test Quality | 85/100 |
| ... | ... |
| **Overall** | **82/100 — Almost Ready** |

Read the full file on GitHub · 398 lines

Files

What ships with it

8 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2d ago First seen · 398 lines · 95 tokens per session scan A 3ce31df12154

Subscribe to this mod's changes

audit-prep is a skill published in the GitHub repository CDSecurity/cdsecurity-skills (51 stars, last pushed 4mo ago), licensed MIT. It adds 95 tokens to every session and 4,305 once invoked, about $0.0005 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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