66-page survey maps 179 papers on agent harness self-evolution and eval rigor

udmrzn · x · 2026-10-24

A 66-page survey on Harness Self-Evolution (401 GitHub stars, bilingual) systematically maps self-evolving agent routes from Prompt, Memory, and Skill to Workflow and executable code, curating 179 papers as a literature map. Its key concern: agents change prompts, skills, and code all at once and scores rise — but which change actually worked? Most self-evolution experiments can't answer. The survey's eval discussion offers three checks: did the change take effect, is the gain attributable to it, and does it hold on other tasks. If any answer is no, don't trust the improvement.

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