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About this paper

Jiaqi Liao, Yuanzhao Zhai, Huanxi Liu, Xu Zhang, Zheming Zhuang, Dawei Feng, Bo Ding, Huaimin Wang

EMFA diagnoses decisive errors in failed multi-agent workflows by tracing dependencies, identifying persistent unproductive loops, and testing candidate repairs with model-based counterfactual assessment. On the Who&When benchmark, it achieves 50.00% exact-step accuracy versus CHIEF’s 45.60% on Algorithm-Generated logs and leads on step accuracy across both subsets. The evidence is limited to 58 Hand-Crafted and 126 Algorithm-Generated logs.

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