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 agentmods add skills/yarlson/yarstack/docs-reviewnpx skills add yarlson/yarstack --skill docs-reviewgit clone --depth 1 https://github.com/yarlson/yarstackWhat 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 | $0.00030 | $0.00307 |
| Opus 5 | $0.00015 | $0.00153 |
| Sonnet 5 | $0.00006 | $0.00061 |
| Haiku 4.5 | $0.00003 | $0.00031 |
Grade A, and why
docs-review 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.
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.
What it actually says
Documentation Review
Own general repository-document quality in an explicit audit-only or authorized edit mode.
Workflow
- Confirm audience, document set, desired outcome, and whether the task authorizes edits.
- Route current-change drift to
docs-drift-review,docs/context/structure torepo-context-document, semantic contracts tospec-update, journeys tocritical-journey-document, and persuasive claims tomarketing-claims-review. - Verify content against implementation, commands, configuration, examples, tests, metadata, and canonical documents.
- Classify evidence-backed findings as
keep,update,merge,split,move,archive, orremove. - In audit-only mode, return prioritized findings without edits.
- In edit mode, change only the confirmed document set and preserve repository structure and voice unless that structure is the requested defect.
- Use
text-improveon changed prose without changing verified facts, required terminology, or intentional voice. - Require explicit authority before archiving, removing, or materially expanding the document set.
Do not invent features, commands, architecture, benchmarks, screenshots, promises, or roadmap items; impose a generic template; or broaden a focused request.
Finish with an evidence-backed audit or verified scoped edits, plus unresolved facts needing an owner.
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.
- 2d ago First seen · 24 lines · 30 tokens per session scan A 219ae2fa16e0
docs-review is a skill published in the GitHub repository yarlson/yarstack (3 stars, last pushed 5d ago), licensed MIT. It adds 30 tokens to every session and 307 once invoked, about $0.0002 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 2026-08-31.
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Verify that a regression test actually detects the defect it claims to guard against. Use after adding or reviewing a bug-fix guard, reproducing the original failure after a fix, or investigating a suspiciously green regression test. Do not use for general TDD, broad test-suite audits, mutation-score optimization…
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Audit and establish or upgrade the canonical repository governance baseline. Use only when explicitly asked to bootstrap, standardize, or upgrade a repository; do not use for feature development or source-code restructuring.
repository-hygiene
Perform a read-only evidence-based audit of stale docs, agent files, scripts, generated artifacts, duplicate code, and optional tools. Use only when explicitly asked for cleanup or governance review; do not delete or refactor during the audit.