Meta-Skill: Frozen-Weight Builder Models Learn Better Agent Harnesses

apodex · hf · 2026-10-01

This test-time AI-for-AI work has a frozen Builder model learn principles (Meta-Skills) for constructing better execution environments for a Target model, based on the Target's execution feedback. Full-bank meta-skills improve macro-average performance by 8.95 points over no-skill construction and 12.02 points over handing the same bank directly to the Target, suggesting a path to system-level self-improvement.

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