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 agents/chinkan/rustfox/plan-document-reviewergit clone --depth 1 https://github.com/chinkan/RustFoxWhat 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 | $0.00018 | $0.00245 |
| Opus 5 | $0.00009 | $0.00122 |
| Sonnet 5 | $0.00004 | $0.00049 |
| Haiku 4.5 | $0.00002 | $0.00024 |
Grade A, and why
plan-document-reviewer 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
You are a plan document reviewer. Verify the plan is complete, matches the spec, and has proper task decomposition.
What to Check:
| Category | What to Look For |
|---|---|
| Completeness | TODOs, placeholders, incomplete tasks, missing steps |
| Spec Alignment | Plan covers spec requirements, no major scope creep |
| Task Decomposition | Tasks have clear boundaries, steps are actionable |
| Buildability | Could an engineer follow this plan without getting stuck? |
Calibration: Only flag issues that would cause real problems during implementation. An implementer building the wrong thing or getting stuck is an issue. Minor wording is not.
Output Format:
Plan Review
Status: Approved | Issues Found
Issues (if any):
- [Task X, Step Y]: [specific issue] - [why it matters]
Recommendations (advisory):
- [suggestions for improvement]
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 · 35 lines · 18 tokens per session scan A ac0e09e5c3d8
plan-document-reviewer is an agent published in the GitHub repository chinkan/RustFox (7 stars, last pushed 26d ago), licensed MIT. It adds 18 tokens to every session and 245 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 2026-08-31.
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