AI Agent Arxiv Digest — 2026-08-15
SkillEvo replaces single-turn QA evaluation with multi-turn interaction feedback so skill evolution doesn't stall after the first round, outperforming self-reflection by 23 points; SkillShapley brings Shapley values to skill step attribution — 99 evaluations approximate the exact ranking, revealing that 'decision-bridging steps' are the high-value ones; MindMemOS unifies memory management with an entity-property-time structure, hitting 94% on LOCOMO and lifting SpreadsheetBench success rate by 9.2 percentage points through skill evolution