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About this paper

Kunlun Zhu, Xuyan Ye, Yibo Li, Cheng Qian, Beibin Li, Heng Ji

AED organizes tool-agent failures into trace-linked diagnoses, proposed corrections, and replay evidence where supported. Its collection contains 50,228 error–diagnosis pairs across 33 environments, while matched replays show proposed corrections pass verification in 51.1% of cases versus 18.4% for retrying the original action. This demonstrates correction utility under those replay conditions, not unique root causes or general recovery.

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