@inproceedings{wang-etal-2026-agentprov, title = "{A}gent{P}rov: Auditing Agentic {LLM} {API} Providers via Tool-use Policy Probes", author = "Wang, Xun and Zhao, Bihe and Backes, Michael and Boenisch, Franziska and Dziedzic, Adam", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.638/", pages = "14689--14704", ISBN = "979-8-89176-459-0" }