no-retraining

EvoSkill v2 enables AI agents to self-improve without retraining by using persistent skills stored in files, with a coach agent writing lessons from failed tasks, leading to significant performance gains in tasks like spreadsheet repair.

The tweet discusses Microsoft's SkillOpt paper, which improved GPT-5.5 accuracy from 41% to 80% without retraining by using a small skills file to guide the agent.