Borrowing it
Nothing to install: this file belongs to wingedsheep/argentum-engine. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/wingedsheep/argentum-engine/main/.agents/skills/review-changes/SKILL.mdgit clone --depth 1 https://github.com/wingedsheep/argentum-engineWrote 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/wingedsheep/argentum-engine/review-changes)<a href="https://agentmods.dev/skills/wingedsheep/argentum-engine/review-changes"><img src="https://agentmods.dev/badge/skills/wingedsheep/argentum-engine/review-changes.svg" alt="Measured on agentmods" 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 | $0.00087 | $0.03414 |
| Opus 5 | $0.00044 | $0.01707 |
| Sonnet 5 | $0.00017 | $0.00683 |
| Haiku 4.5 | $0.00009 | $0.00341 |
Grade A, and why
review-changes scanned grade A with 1 finding 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 yesterday.
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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
WebFetch https://magic.wizards.com/en/rules # official WotC rules page; grab the .txt link, then `curl` it down and grep locally (too large to fetch into context) The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
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.
- yesterday Changed · +12 lines 69e93600931e
- 6d ago First seen · 216 lines · 87 tokens per session scan A d0ed3e15a4d2
review-changes is a skill published in the GitHub repository wingedsheep/argentum-engine (64 stars, last pushed today), with no licence file. It adds 87 tokens to every session and 3,414 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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