Author

Xiangru Tang

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Preprint Jul 2026

CUADebug: Diagnosing and Repairing Computer-Use Agent Failures

Results show that CUA root-cause diagnosis can provide actionable repair signals rather than merely post-hoc explanations and show that CUA root-cause diagnosis can provide actionable repair signals.

Wei-Jia Zhang, Kunlun Zhu, Ze-Yi Liu et al. · 1 citation

Jul 2026

AgentDebugX: An Open-Source Toolkit for Failure Observability, Attribution, and Recovery in LLM Agents

DeepDebug achieves the best strict attribution accuracy among the evaluated methods on both tested open-weight backbones, reaching 28.8 percent exact agent-and-step accuracy on qwen3.5-9b versus 21.7 percent for the strongest single-pass baseline.

Kunlun Zhu, Xuyan Ye, Zhi-Guang Han et al. · arXiv.org · 3 citations