audit-usage SKILL.md skillA
This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.
audit-usage from nerviz-ai/nerviz is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add nerviz-ai/nerviz/audit-usage@git:20261008.68d46fcPins git:20261008.68d46fc in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- nerviz-ai/nerviz
- Path
.claude/skills/audit-usage/SKILL.md- Versions recorded
- 7
- Latest version
- git:20261008.68d46fc, committed Oct 8, 2026
- First version recorded
- Sep 27, 2026
- Size
- 10,570 bytes
- Repository stars
- 8
- License
- MIT
Reads the execution trail the `audit` hook writes into `.claude/audit-usage/` and consolidates it across runs — billable tokens per skill and agent, duration, failure rate, permissions granted, and which report to open next. Answers "how many tokens has this project spent so far", which no single report answers. Explicit invocation only.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
## Consolidated trail
!`java "${CLAUDE_PROJECT_DIR:-.}/.claude/hooks/ArchHook.java" audit summary 2>&1`
---
Everything below reads. This skill never writes into `.claude/audit-usage/` and never
edits project code — the trail is written by `ArchHook.java audit`, at `Stop`, and by
nothing else.
Answer in English, the language of the reports themselves, so the consolidated view and
the per-run report read as one document. Reports and ledger rows written by an older
hook are in Portuguese (`✅ sucesso`); quote them as they are, never translate a number or
a status out of them. Reports written before decision 0134 also carry a cost in USD; quote
it only from that report, never as a figure of the trail.
## When the block came back empty
The trail is off: `.claude/audit-usage/` does not exist, and `audit summary` prints
nothing at all. That is the switch, not a failure. Say so, and give the two commands that
turn it on — creating the directory is enough, the hook is already wired in
`.claude/settings.json`:
```bash
mkdir -p .claude/audit-usage
printf '.claude/audit-usage/.state/\n' >> .gitignore
```
…Read the whole file at its exact version.
How to install
mdr add nerviz-ai/nerviz/audit-usage@sha256:9cd9988e9caf57d6The line at the top of this page pins the label git:20261008.68d46fc, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_hrsllabyj5zt26n6)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 7 versions of this file, between Sep 27, 2026 and Oct 8, 2026, about one every 2 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261008.68d46fc latest | 2026-10-08 | 68d46fc | 10,570 B | A | view · diff |
| git:20261008.e834c9e | 2026-10-08 | e834c9e | 10,433 B | A | view · diff |
| git:20261002.acc7a52 | 2026-10-02 | acc7a52 | 9,507 B | A | view · diff |
| git:20260930.3461e4a | 2026-09-30 | 3461e4a | 9,172 B | A | view · diff |
| git:20260929.2ad8a02 | 2026-09-29 | 2ad8a02 | 8,172 B | A | view · diff |
| git:20260927.7653d70 | 2026-09-27 | 7653d70 | 7,934 B | A | view · diff |
| git:20260927.68fc117 | 2026-09-27 | 68fc117 | 7,637 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (10570 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
nerviz-ai/nerviz · 8 stars · license MIT · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_hrsllabyj5zt26n6 GET https://markdownregistry.com/api/v1/resolve?ref=nerviz-ai/nerviz/audit-usage GET https://markdownregistry.com/api/v1/blob/9cd9988e9caf57d61fa0066b19b19e7c7d830bdd1c2e36d4e5b6577812bae80b
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
More from nerviz-ai/nerviz
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