context-engineering-memory
What actually enters the context, what gets remembered, what gets forgotten — and when long-term memory is not worth the money. Includes the three papers arguing memory does not help or actively hurts.
Can you rank stored memories like search results and stop paying an LLM per query? Can you rank stored memories like search results and stop paying an LLM per query? Xinyu Zhang et al. · 1 authors · Fudan University · 2026 · arXiv:2610.34673 Does your agent have to read everything it remembers before answering? Does your agent have to read everything it remembers before answering? Chin-Lun Fu et al. · 1 authors · Machine Learning Center of Excellence, JPMorgan Chase & Co · 2026 · arXiv:2610.02472 Is your agent still quoting last quarter's price? Is your agent still quoting last quarter’s price? Md Nayem Uddin et al. · 1 authors · Arizona State University · 2026 · arXiv:2604.20006 Should your agent keep the raw events, or only what the events taught it? Should your agent keep the raw events, or only what the events taught it? Ningning Zhang et al. · 1 authors · Macau University of Science and Technology · 2026 · arXiv:2601.06377 Can an agent's long-term memory quietly become unfair? Can an agent’s long-term memory quietly become unfair? Yiming Ma et al. · 1 authors · Chongqing Research Institute of Harbin Institute of Technology · 2026 · arXiv:2602.01558 Why did pruning history improve both cost and completion? Why did pruning history improve both cost and completion? Abhilasha Lodha et al. · 1 authors · Microsoft · 2026 · arXiv:2606.10209 Is your memory bill about what you keep, or about how often you write it? Is your memory bill about what you keep, or about how often you write it? Dongfang Li et al. · 1 authors · Harbin Institute of Technology, Shenzhen · 2026 · arXiv:2608.12990 When old and new facts collide, which one does your memory answer with? When old and new facts collide, which one does your memory answer with? Zhen Tao et al. · 1 authors · Renmin University of China · 2026 · arXiv:2605.20926 Can your agent delete a secret, or only hide it from search? Can your agent delete a secret, or only hide it from search? Cheng Zhang et al. · 1 authors · The Hong Kong University of Science and Technology (Guangzhou) · 2026 · arXiv:2610.21405 Can pooled accuracy tell you your agent tracks a changing fact? Can pooled accuracy tell you your agent tracks a changing fact? Xianxuan Long et al. · 1 authors · Michigan State University · 2026 · arXiv:2606.17328 Who checks the agent before it rewrites your customer notes? Who checks the agent before it rewrites your customer notes? Tianyu Yang et al. · 1 authors · AI Center-Mountain View, Samsung Electronics · 2026 · arXiv:2606.25161 Does memory change what your agent does, or only what it can quote? Does memory change what your agent does, or only what it can quote? Shweta Mishra et al. · 1 authors · Independent Research · 2026 · arXiv:2609.05441 Should your agent rewrite its own old memories when new ones arrive? Should your agent rewrite its own old memories when new ones arrive? Wujiang Xu et al. · 1 authors · Rutgers University · 2025 · arXiv:2502.12110 What happens when episodic memory makes a coding agent worse? What happens when episodic memory makes a coding agent worse? Tobias Lindenbauer et al. · 1 authors · School of Computation, Information and Technology, Technical University of Munich · 2025 · arXiv:2505.23422 Can an agent read a document bigger than its window by paging memory like an OS? Can an agent read a document bigger than its window by paging memory like an OS? Charles Packer et al. · 1 authors · University of California, Berkeley · 2023 · arXiv:2310.08560
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