Year: 2026
Type: conference-paper
Abstract: Large language model (LLM) agents are trained with reinforcement learning (RL) for complex decision-making tasks.However, most RL-trained agents remain episodic and cannot accumulate reusable knowledge across episodes.Recent skill-based approaches, such as SKILLRL, attempt to address this issue by extracting skills from raw trajectories, but treat the skill bank as an append-only repository without verifying whether stored skills remain effective.In this paper, we propose SKILL-FORGE, a framework for continuous skill evolution that enables skills to be verified and refined through environment interaction.By making skill usage explicit during agent interaction, RL can directly optimize both environment actions and skill invocation decisions.SKILL-FORGE further introduces evidence-based skill verification and multi-pathway skill induction, allowing the skill bank to continuously grow while maintaining its quality.Extensive experiments on ALFWorld, WebShop, and Ap-pWorld show that SKILLFORGE consistently outperforms SKILLRL, demonstrating the effectiveness of continuously verified skills in training stronger LLM agents.
Language: English
Subfield: Artificial Intelligence
Field: Computer Science
Domain: Physical Sciences
SDG: Quality education
Open Access status: bronze
OpenAlex ID: W7204237163