by frontier-harness-eval · Codex Skill · ★ 169
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npx skills add frontier-harness-eval/eval --skill frontierharness-eval
npx skills add frontier-harness-eval/eval --skill frontierharness-eval --agent codex -yTaken from the project's README on GitHub.
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.
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 | 169 |
| Forks | 10 |
| Language | JavaScript |
| Category | Codex Skill |
| Quality Score | 53/100 |
| Open Issues | 9 |
| Last Updated | 2026-09-08 |
| Created | 2026-08-31 |
| Platforms | claude-code, codex, node |
| Est. Tokens | ~13k |
FrontierHarness Eval Explore the live results → · Read the blog → · Evaluate your own harness → <img src="assets/frontier-harness-chart.svg" width="100%" alt="FrontierHarness Eval benchmark: pass rate versus median cost per task across nine harnesses and twelve conf
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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: