LLM-based multi-agent systems increasingly rely on orchestration to turn tool-using agents into executable communication graphs. A new preprint, EvoSteer, tackles the problem of self-evolving orchestration — where the system adjusts its own coordination over time.
The authors argue that existing self-evolving methods face key difficulties, though the abstract leaves the specifics open. EvoSteer introduces reference-anchored credit assignment, an online mechanism that appears designed to assign credit more reliably during the evolution of the graph.
Because the source is a single arXiv abstract, the details of the method and evaluation are not available in the provided text. The contribution is positioned as an improvement over current self-evolving orchestration approaches.