Contextual Agentic Memory is a Memo, Not True Memory

Binyan Xu, Xilin Dai, Kehuan Zhang

Abstract

Current agentic memory systems (vector stores, retrieval-augmented generation, scratchpads, and context-window management) do not implement memory: they implement lookup. We argue that treating lookup as memory is a category error with provable consequences for agent capability, long-term learning, and security. Retrieval generalizes by similarity to stored cases; weight-based memory generalizes by applying abstract rules to inputs never seen before. Conflating the two produces agents that accum

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Cite This Resource

@article{llmsec202600193,
  title = {Contextual Agentic Memory is a Memo, Not True Memory},
  author = {Binyan Xu and Xilin Dai and Kehuan Zhang},
  year = {2026},
  url = {https://arxiv.org/abs/2604.27707},
}