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 rules/zotoio/crux-compress/docs-sync.cruxgit clone --depth 1 https://github.com/zotoio/CRUX-CompressWrote 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/rules/zotoio/crux-compress/docs-sync.crux)<a href="https://agentmods.dev/rules/zotoio/crux-compress/docs-sync.crux"><img src="https://agentmods.dev/badge/rules/zotoio/crux-compress/docs-sync.crux.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 | $0.00356 | $0.00356 |
| Opus 5 | $0.00178 | $0.00178 |
| Sonnet 5 | $0.00071 | $0.00071 |
| Haiku 4.5 | $0.00036 | $0.00036 |
Grade A, and why
docs-sync.crux 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 5d 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
[!IMPORTANT] Generated file - do not edit!
Documentation Synchronization Rule
⟦CRUX:docs-sync.md
Ρ{doc sync rule}
Κ{doc=documentation}
E.docs{
README.md←install|usage|feature Δ
CONTRIBUTORS.md←CI/CD|testing|contrib Δ
web/compress.md/←landing|examples|feature highlights
}
Γ.README{
install.py→upd install
CRUX.md→upd spec+examples
.cursor/commands/*→upd cmd usage
.cursor/skills/*/SKILL.md→upd skill desc
}
Γ.CONTRIBUTORS{
.github/workflows/*.yml→upd CI/CD flow+desc
evals/*.py→upd test struct|run
scripts/*.sh→upd dev setup
tests/helpers.bash→upd test helper doc
}
Γ.web{
CRUX.md→upd spec examples on landing
+feature→upd feature highlights
.cursor/agents/*→upd agent/tooling desc
}
R.upd{
surgical; ¬rewrite
format=consistent
upd ver+paths+examples
+workflow|test→+tables/lists
CI/CD flow diagram=accurate
}
P.skip{
.cursor/rules/example/*
temp|gen files
¬spec features→doc existing only
}
Ω{concise|actionable}
⟧
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.
- 5d ago First seen · 59 lines · 356 tokens per session scan A c308b39e8a43
docs-sync.crux is a cursor rule published in the GitHub repository zotoio/CRUX-Compress (8 stars, last pushed 1mo ago), licensed MIT. It adds 356 tokens to every session, about $0.0018 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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