ResearchResearch paperReinforcement Learning · Large Language Models · Robotics & Embodied AI1 source · Oct 7, 2026

SkillCycle: Co-Evolving Agent Policies and Skill Banks

We introduce SkillCycle, a framework for co-evolving agent policies and skill banks through a feedback loop between skill internalization and rule revision.

Key points

  • Internalizing external skills changes a language agent's capabilities and, with them, the value of its remaining guidance: rules can become redundant, misleading, or insufficient for newly encountered decisions.
  • This creates a coupled problem of learning from skills and adapting the skills that supervise further learning.
  • SkillCycle alternates between two phases: policy learning with a fixed skill bank and router, and rule revision with a frozen policy.
  • These results show that continually revising skill guidance as the agent's capabilities change helps transform external skills into policy capabilities that require no skill inputs at inference.

Sources (1)

  • [1]SkillCycle: Co-Evolving Agent Policies and Skill Banks
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 7, 04:33 AM
    We introduce SkillCycle, a framework for co-evolving agent policies and skill banks through a feedback loop between skill internalization and rule revision.
    Internalizing external skills changes a language agent's capabilities and, with them, the value of its remaining guidance: rules can become redundant, misleading, or insufficient for newly encountered decisions.

Extractive summary: sentences quoted from the sources.

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