Author

Ruiqi He

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Jul 2026

Agent Skills Matter: Inferring Proprietary Skills from Execution Trajectories

These results show that benign execution trajectories can expose proprietary procedural knowledge, and SigLeak, a black-box framework that exploits recurring skill signatures in agent behavior, outperforms or matches three baselines in nearly every setting.

Jianing Geng, Ruiqi He, Zekun Fei et al. · arXiv.org · 3 citations