arXiv AI By Chen Shen, Estevam Hruschka

Who Maintains Agent Skills? A Longitudinal Study of Human-Governed, AI-Assisted Skill Maintenance

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arXiv AI
23h ago

When Skills Tell Agents Not to Ask: A Large-Scale Study of Oversight Directives in Agent Skills

The paper investigates oversight‑loosening directives embedded in AI agent skills—reusable instruction packages centered on a SKILL.md file. Analyzing 1.53 million English skills from GitSkills, the authors find that roughly one in seventeen skills (about 88,000) contains a directive that bypasses checks or approvals, often via permission flags and applied unconditionally. The study shows that such directives cluster in a small number of upstream skills and that current open‑source scanners miss most of them, while an LLM‑based detector performs better.

By Timofey Sanko, Yuan Tian
arXiv AI
Sep 3

Repo-To-Skill: Distilling GitHub Repositories Into AI4AI Skills

The paper introduces Repo-To-Skill, a method for converting GitHub repositories into reusable AI skills. By distilling operational knowledge from over 1,000 machine‑learning repositories, the authors build the AREX‑Skill Library with more than 5,000 verified skills across 20 areas. Integrating these skills into a research agent—DisCo—yields significant performance boosts on multiple benchmarks, demonstrating the value of reusable, task‑agnostic knowledge.

By Jianlyu Chen, Yuyang Hu, Hongjin Qian, Jiawei Liu, Wenqing Wei, Xiaolong Chen, Defu Lian, Zhicheng Dou, Chaozhuo Li, Qiwei Ye, Zheng Liu