audit-verify

audit-verify is a skill for Claude Code, Codex from Snowflake-Labs/cocoplus. It costs 18 tokens per session (349 once invoked), scanned A, original, MIT.

A tool that checks whether local CocoPlus audit records are complete, correctly ordered, and linked by their hashes when hashes exist. With full checking, it also tests whether contract proof can still be reproduced from committed inputs.

In plain words
What is it for?
Use it to verify audit history and contract evidence before review or compliance checks.
Why use it?
It finds missing records, altered history, broken links, and proof drift without silently repairing the evidence.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to verify audit history and contract evidence before review or compliance checks.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/snowflake-labs/cocoplus/audit-verify
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 Snowflake-Labs/cocoplus --skill audit-verify
Clone the repo
git clone --depth 1 https://github.com/Snowflake-Labs/cocoplus

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 audit-verify

README.md
[![agentmods](https://agentmods.dev/badge/skills/snowflake-labs/cocoplus/audit-verify.svg)](https://agentmods.dev/skills/snowflake-labs/cocoplus/audit-verify)
Your own site
<a href="https://agentmods.dev/skills/snowflake-labs/cocoplus/audit-verify"><img src="https://agentmods.dev/badge/skills/snowflake-labs/cocoplus/audit-verify.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 349 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.
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 $0.00018 $0.00349
Opus 5 $0.00009 $0.00175
Sonnet 5 $0.00004 $0.00070
Haiku 4.5 $0.00002 $0.00035

Measured 4d ago against content hash 50a4796066b6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

audit-verify 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 4d 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.

.cortex/skills/cocoaudit/audit-verify.skill.md · 43 lines

What it actually says

Your objective is to implement $audit verify [--full].

Before proceeding, verify that .cocoplus/ exists. If not, output: "CocoPlus not initialized in this directory. Run $pod init to begin." Then stop.

Contract

Read .cocoplus/audit/, lifecycle audit records, and contract proof artifacts. Validate append-only ordering, required fields, timestamp presence, actor/source provenance, and hash-chain continuity when hashes are present.

With --full, also re-check CocoContract proof artifacts and report whether archived falsifiability checks remain reproducible from committed inputs.

Output:

  • Verified artifact count
  • Broken or missing links
  • Contract proof status
  • Highest-severity finding
  • Recommended next command

Exit Criteria

  • Missing audit artifacts produce an explicit "no audit artifacts found" result.
  • Hash or ordering failures are reported as deterministic audit failures.
  • Contract proof drift is distinguished from missing proof.
  • The command never repairs audit history silently.

Anti-Rationalization

Shortcut / Temptation Why It Fails
Treat the skill as complete because the file exists Skill contracts must describe observable behavior and verification, not just command names.
Skip artifact and safety checks for a small command Small commands still mutate state or guide execution; preserve the same gates.
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. 4d ago First seen · 43 lines · 18 tokens per session scan A 50a4796066b6

Subscribe to this mod's changes

audit-verify is a skill published in the GitHub repository Snowflake-Labs/cocoplus (720 stars, last pushed 5d ago), licensed MIT. It adds 18 tokens to every session and 349 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 2026-09-03.

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