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WikiSkill: Compiling Agent Experience into Persistent Knowledge for Skill Evolution

arxiv.org · 8,449 words · saved by 1 readers

Agent skills package specialized knowledge and workflows into reusable resources that extend AI agent capabilities. Recent work automatically discovers such skills from agent experience, which enables agents to progressively adapt through interaction. However, the insights that guide skill development typically remain scattered across optimization histories, limiting their systematic reuse across iterations. We introduce WikiSkill, a framework that co-evolves agent skills with a persistent knowledge base (wiki). At a high level, WikiSkill separates raw execution experience, accumulated knowledge, and executable skills, while continuously consolidating experience into the wiki, which subsequent skill updates can build on. Across diverse benchmarks and models, WikiSkill consistently outperforms state-of-the-art skill-evolution methods and improves over no-skill baselines in most model-benchmark settings. We find that skill evolution complements model scaling: larger models generally bene

\uselogo Cyrus Rashtchian Affiliation: Google Research Chun-Sung Ferng Affiliation: Google Research Andrew Tomkins Affiliation: Google Research Da-Cheng Juan Affiliation: Google Research Tu Vu Corresponding author: lytang@google.com, ttvu@google.com Affiliation: Google Research Affiliation: Virginia Tech Abstract Agent skills package specialized knowledge and workflows into reusable resources that extend AI agent capabilities. Recent work automatically discovers such skills from agent experience, which enables agents to progressively adapt through interaction. However, the…

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