Machine Heart

Jul 23, 2026 · Artificial Intelligence

Teaching Agents to Evolve: The Hierarchical Skill Meta‑Evolving Framework HiSME

HiSME, a lightweight hierarchical skill meta‑evolution framework from Tsinghua and Huawei, enables LLM agents to accumulate execution experience without updating model parameters by evolving both task‑specific skills and the meta‑skills that generate and maintain them, improving performance on multi‑turn tool use and open‑world tasks.