Author

Dongqi Liu

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#artificial intelligence Preprint Oct 2026

Why Do Agent Teams Fail Across Boundaries? A Failure Taxonomy for Agent-to-Agent Systems with Private States

Agents are increasingly interacting with other agents that act for different principals (people or organizations on whose behalf they work), such as a buyer's personal agent negotiating with an enterprise's seller agent. In such agent-to-agent (A2A) scenarios, each agent has its own environment and holds information an...

Sarath Shekkizhar, Prathyusha Jwalapuram, Zi-Xuan Ke et al. · 0 citations

#artificial intelligence Dec 2025

Agent Tools Orchestration Leaks More: Dataset, Benchmark, and Mitigation

Results show that TOP-R requires defenses beyond prompting alone, and introduces Library-Grounded Reverse-Inference Seed Expansion (LRSE), a four-library reverse-construction pipeline, and proposes TOP-Align, an SFT+DPO method for learning safer task-completion boundaries.

Yu Qiao, Dongqi Liu, Hong-Chang Yang et al. · arXiv.org · 12 citations · ⚡2