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uv tool install jev-grep # the command it installs is jgrepTaken from the project's README on GitHub. Check the security audit before running it.
None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.
| Stars | 139 |
| Forks | 5 |
| Language | Python |
| Category | AI Tool |
| License | MIT |
| Quality Score | 65/100 |
| Open Issues | 3 |
| Last Updated | 2026-10-17 |
| Created | 2026-09-18 |
| Platforms | cli, python |
| Est. Tokens | ~15k |
jgrep grep, but the pattern is a description. Each line becomes one yes/no question to Jev, TypeSafe's decision model. Jev does not generate text. It returns a probability in about 200 ms for about a thousandth of a cent, which is fast and cheap enough to sit in a pipe.
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Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible: