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About this paper

Haoyang Zhang, Qumeng Sun, Xiao Zhang, Xiang Liu, Zhidong Fan, Junjie Wang

Evolver lets existing agents reuse task-matched procedures extracted from earlier runs, without retraining the underlying model. It stores procedural guidance separately, then retrieves and injects relevant guidance into a later agent session. In a diagnostic paired evaluation prioritizing same-task experience, success rose from 83.13% to 87.50%, while recorded task-execution tokens fell 24.24%; extraction and other overhead were excluded.

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