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 ham-zax/satori --skill perf-ratchetgit clone --depth 1 https://github.com/ham-zax/satoriWrote 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/ham-zax/satori/perf-ratchet)<a href="https://agentmods.dev/skills/ham-zax/satori/perf-ratchet"><img src="https://agentmods.dev/badge/skills/ham-zax/satori/perf-ratchet/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/ham-zax/satori/perf-ratchet"><img src="https://agentmods.dev/badge/skills/ham-zax/satori/perf-ratchet.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 | $0.00164 | $0.03851 |
| Opus 5.5 | $0.00066 | $0.01540 |
| Sonnet 5.5 | $0.00033 | $0.00770 |
| Haiku 4.5 | $0.00016 | $0.00385 |
Grade B, and why
perf-ratchet scanned grade B 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 13d 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
3. **Missing tools.** **Ask the user before installing anything.** Give the exact command for their OS (`references/tools-by-os.md`). Never run `sudo` or elevated installs yourself; ask the user to run them (in Claude Co The source is not reproduced here
Licensed AGPL-3.0
The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.
What ships with it
8 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 13d ago First seen · 172 lines · 164 tokens per session scan B 2a5ed9c57fe7
perf-ratchet is a skill published in the GitHub repository ham-zax/satori (3 stars, last pushed yesterday), licensed AGPL-3.0. It adds 164 tokens to every session and 3,851 once invoked, about $0.0007 per session on Opus 5.5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-08.
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