Memory-Centric Continual Learning for AI Agents

Hugging Face Daily Papers Papers

Summary

该论文提出记忆中心持续学习(MCCL)框架,主张 agent 记忆应以是否改善未来行为来评判,而非仅看检索效果,并给出三轴分类法、双循环生命周期、评估协议与记忆扩展框架,以实现自主 agent 的持续自我改进。

Autonomous agents powered by foundation models can reason, plan, and use tools, but their fixed weights and context limits hinder sustained learning from experience over long-term deployment. While external memory systems attempt to bridge this gap, they mostly act as passive retrieval caches, evaluated primarily by whether they can recall stored facts or past interactions. Whether memory can drive genuine continual learning remains an open question. In this paper, we introduce Memory-Centric Continual Learning (MCCL), arguing that memory should be judged by whether it improves future actions, not merely what it retrieves. MCCL has three main parts. First, a three-axis taxonomy organizes memory by where state is stored (substrates), what form it takes (assets), and how it is managed (policies). This defines a two-loop lifecycle that updates memory state in an inner loop while refining management policies in an outer loop based on task feedback. Second, an evaluation protocol measures retention under interference, adaptation to change, and task transfer to isolate genuine behavioral gains from simple context expansion. Third, a memory scaling framework models how agent performance scales with experience, storage capacity, and compute budgets across non-parametric and parametric memory. Together, these components reframe agent memory from passive lookup to continuous learning, offering a principled route toward self-improving autonomous agents.
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Abstract

Memory-Centric Continual Learning reframes agent memory as an active driver of behavioral improvement through a taxonomy of storage substrates, assets, and policies, a two-loop lifecycle, and scaling frameworks evaluated by retention, adaptation, and transfer.

Autonomous agents powered by foundation models can reason, plan, and use tools, but their fixed weights and context limits hinder sustained learning from experience over long-term deployment. While external memory systems attempt to bridge this gap, they mostly act as passive retrieval caches, evaluated primarily by whether they can recall stored facts or past interactions. Whether memory can drive genuine continual learning remains an open question. In this paper, we introduceMemory-Centric Continual Learning(MCCL), arguing that memory should be judged by whether it improves future actions, not merely what it retrieves. MCCL has three main parts. First, athree-axis taxonomyorganizes memory by where state is stored (substrates), what form it takes (assets), and how it is managed (policies). This defines atwo-loop lifecyclethat updates memory state in an inner loop while refining managementpoliciesin an outer loop based on task feedback. Second, an evaluation protocol measuresretention under interference,adaptation to change, andtask transferto isolate genuine behavioral gains from simple context expansion. Third, amemory scaling frameworkmodels how agent performance scales with experience, storage capacity, and compute budgets across non-parametric andparametric memory. Together, these components reframe agent memory from passive lookup to continuous learning, offering a principled route toward self-improving autonomous agents.

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