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.
npx skills add peteromallet/Arnold --skill folder-auditgit clone --depth 1 https://github.com/peteromallet/ArnoldWrote 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.
[](https://agentmods.dev/skills/peteromallet/arnold/folder-audit)<a href="https://agentmods.dev/skills/peteromallet/arnold/folder-audit"><img src="https://agentmods.dev/badge/skills/peteromallet/arnold/folder-audit/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/peteromallet/arnold/folder-audit"><img src="https://agentmods.dev/badge/skills/peteromallet/arnold/folder-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00038 | $0.00823 |
| Opus 5.5 | $0.00015 | $0.00329 |
| Sonnet 5.5 | $0.00008 | $0.00165 |
| Haiku 4.5 | $0.00004 | $0.00082 |
Grade A, and why
folder-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 1mo 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.
How it starts
The opening of the file, as written. The whole thing — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.
folder-audit
What it does
The folder-audit pipeline inspects a target directory, builds a tree of
folders up to a configurable depth, and asks an LLM auditor to classify every
immediate child as fit, misplaced, duplicate, naming_mismatch, etc.
It emits two artifacts in the plan directory:
audit.json— machine-readable audit with summary and per-folder entriesaudit.md— human-readable nested annotated tree
Running it
The pipeline is built around the native Arnold AgentStep. The audit stage
injects a worker callable that dispatches to Codex by default. A local profile
is provided at profiles/standard.toml.
Default mode (Codex worker)
python -m arnold run folder-audit \
--inputs target_dir=/path/to/repo,max_depth=2,chunk_size=5,max_workers=3 \
--plan-dir /tmp/folder-audit-plan
The default profile resolves the audit stage to codex. If you want to use a
different model, override the profile:
python -m arnold run folder-audit \
--inputs target_dir=/path/to/repo,max_depth=2,chunk_size=5,max_workers=3 \
--profile @folder-audit:standard \
--plan-dir /tmp/folder-audit-plan
Using pre-generated subagent results
For faster iteration or when you want to supply audits from another agent
harness, pass an agent_results JSON file:
python -m arnold run folder-audit \
--inputs target_dir=/path/to/repo,agent_results=/tmp/agent_results.json \
--plan-dir /tmp/folder-audit-plan
The agent_results file must be a JSON object with a top-level folders
array. The pipeline will compute a summary and reconcile the entries with the
real filesystem tree when rendering audit.md.
Inputs
| Key | Default | Description |
|---|---|---|
target_dir |
required | Directory to audit |
max_depth |
8 |
How many levels deep to walk |
chunk_size |
5 |
Folders per Codex call |
max_workers |
3 |
Parallel Codex calls per level |
agent_results |
none | Path to external audit JSON |
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.
- 1mo ago First seen · 104 lines · 38 tokens per session scan A ecdda82e42bd
folder-audit is a skill published in the GitHub repository peteromallet/Arnold (98 stars, last pushed yesterday), licensed Apache-2.0. It adds 38 tokens to every session and 823 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-09-04.
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