Group of Skills: Group-Structured Skill Retrieval for Agent Skill Libraries

Fuente: arXiv
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Autores principales: Zeng, Kun, Huo, Yu, Zhang, Siyu, Ye, Zi, Zhuo, Yuecheng, Liu, Haoyue, Lu, Yuquan, Wen, Junhao, Tang, Xiaoying
Formato: Preprint
Publicado: 2026
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author Zeng, Kun
Huo, Yu
Zhang, Siyu
Ye, Zi
Zhuo, Yuecheng
Liu, Haoyue
Lu, Yuquan
Wen, Junhao
Tang, Xiaoying
author_facet Zeng, Kun
Huo, Yu
Zhang, Siyu
Ye, Zi
Zhuo, Yuecheng
Liu, Haoyue
Lu, Yuquan
Wen, Junhao
Tang, Xiaoying
contents Skill-augmented agents increasingly rely on large reusable skill libraries, but retrieving relevant skills is not the same as presenting usable context. Existing methods typically return atomic skills or dependency-aware bundles whose internal roles remain implicit, leaving the agent to infer the execution entry point, support skills, visible requirements, and failure-avoidance guidance. We introduce Group of Skills (GoSkills), an inference-time group-structured retrieval method that changes the agent-facing retrieval object from a flat skill list to a compact, role-labeled execution context. GoSkills builds anchor-centered skill groups from a typed skill graph, expands support groups through a group graph, bottlenecks the selected group plan into a bounded set of atomic skill payloads, and renders a fixed execution contract with Start, Support, Check, and Avoid fields, without changing the downstream agent, skill payloads, or execution environment. Experiments on SkillsBench and ALFWorld show that GoSkills preserves visible-requirement coverage under a small skill budget, improves over flat skill-access baselines, and often improves reward and agent-only runtime relative to structural retrieval references.
format Preprint
id arxiv_https___arxiv_org_abs_2605_06978
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Group of Skills: Group-Structured Skill Retrieval for Agent Skill Libraries
Zeng, Kun
Huo, Yu
Zhang, Siyu
Ye, Zi
Zhuo, Yuecheng
Liu, Haoyue
Lu, Yuquan
Wen, Junhao
Tang, Xiaoying
Computation and Language
Artificial Intelligence
Skill-augmented agents increasingly rely on large reusable skill libraries, but retrieving relevant skills is not the same as presenting usable context. Existing methods typically return atomic skills or dependency-aware bundles whose internal roles remain implicit, leaving the agent to infer the execution entry point, support skills, visible requirements, and failure-avoidance guidance. We introduce Group of Skills (GoSkills), an inference-time group-structured retrieval method that changes the agent-facing retrieval object from a flat skill list to a compact, role-labeled execution context. GoSkills builds anchor-centered skill groups from a typed skill graph, expands support groups through a group graph, bottlenecks the selected group plan into a bounded set of atomic skill payloads, and renders a fixed execution contract with Start, Support, Check, and Avoid fields, without changing the downstream agent, skill payloads, or execution environment. Experiments on SkillsBench and ALFWorld show that GoSkills preserves visible-requirement coverage under a small skill budget, improves over flat skill-access baselines, and often improves reward and agent-only runtime relative to structural retrieval references.
title Group of Skills: Group-Structured Skill Retrieval for Agent Skill Libraries
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2605.06978