SkillShapley assigns each instruction step of an LLM agent skill a Shapley value, and its BAES estimator recovers that ranking with fewer skill-variant evaluations than standard Shapley approximations.
Jimenez, Alexander Wettig, Kilian Lieret, Shunyu Yao, Karthik R
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SkillShapley: Boundary-Adaptive Shapley Valuation for Skill Step Attribution in LLM Agents
SkillShapley assigns each instruction step of an LLM agent skill a Shapley value, and its BAES estimator recovers that ranking with fewer skill-variant evaluations than standard Shapley approximations.