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 Pierry/harness-kit --skill reviewgit clone --depth 1 https://github.com/Pierry/harness-kitWrote 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/pierry/harness-kit/review)<a href="https://agentmods.dev/skills/pierry/harness-kit/review"><img src="https://agentmods.dev/badge/skills/pierry/harness-kit/review/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/pierry/harness-kit/review"><img src="https://agentmods.dev/badge/skills/pierry/harness-kit/review.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 | $0.00039 | $0.00307 |
| Opus 5.5 | $0.00016 | $0.00123 |
| Sonnet 5.5 | $0.00008 | $0.00061 |
| Haiku 4.5 | $0.00004 | $0.00031 |
Grade A, and why
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 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.
What it actually says
Review a System Design Doc the way a staff engineer runs a design review. Follow guides/pipeline.md.
Ask once if missing: path to the design doc (default latest under
.claude/runtime/outputs/architect/design/). Reviews own or external designs.
Read:
- the target design doc
- guides/design-method.md (judge against the canon and the three pillars)
- guides/writing-style.md
- guides/templates/design-review.md
- guides/pipeline.md
Interrogate, do not summarize. For each of the 10 staff questions, give the design's answer and the gap. Order findings by severity (blocker / high / medium / low). Name trade-offs the design left implicit. Be specific: cite the section, name the failure, propose the fix. Default to skeptical.
Verdict: ship | revise | block.
Save to .claude/runtime/outputs/architect/review/{feature_id}.md (reuse the design's feature_id).
Sensors: sensors/design-structure.md (review variant: all 10 questions answered, verdict present). Evals: evals/design-review-depth.md.
After save reply: Review saved at {path}. Verdict: {ship|revise|block}. Score: {N}/10.
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 · 31 lines · 39 tokens per session scan A b263e2c82236
review is a skill published in the GitHub repository Pierry/harness-kit (4 stars, last pushed 19d ago), licensed MIT. It adds 39 tokens to every session and 307 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 2026-08-31.
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