Author

Jiaxuan You

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#artificial intelligence Preprint Oct 2026

JevAgentHarness: Benchmarking, Deploying and Training Decision Models That Share Control with LLMs

Large language model (LLM) agents now fix software, operate computers and serve customers, but their harnesses, the programs that run them, call a large LLM at every step, which makes long tasks slow and costly. Most of these calls end in a multiple-choice decision, such as which tool to call next. Decision models such...

Kun-Lun Zhu, Tao Feng, Xue-Ning Han et al. · 0 citations

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