by Prism-Shadow · Agent Tool · ★ 3.1k
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
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 | 3,145 |
| Forks | 338 |
| Language | TypeScript |
| Category | Agent Tool |
| License | Apache-2.0 |
| Quality Score | 66/100 |
| Open Issues | 164 |
| Last Updated | 2026-11-05 |
| Created | 2026-07-19 |
| Platforms | claude-code, node |
| Est. Tokens | ~16k |
PenguinHarness With LangChain, you build agents by hand — at 1× speed.With PenguinHarness, agents build agents — at 100×. A zero-code Harness CLI and Web UI, connected to 1000+ models. = 24" / <img src="https://img.shields.io/badge/Blog-penguin.ooo%2Fblog-1f6feb?logo=rss&logoColor=white" alt
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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: