Build an AI Agent with a Hippocampus: Implementing Sparse Distributed Memory in Python
This story is from 2026-09-07. It is preserved in the archive; the latest stories are on the live feed.
TL;DR: LLM agents forget everything because their "memory" is a sliding window. Sparse Distributed Memory (Kanerva, 1988) gives you a content-addressable long-term store with an astronomically large address space — and you can implement a working core in ~150 lines of pure Python, zero dependencies…
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- 2026-09-07 19:08 · DEV Community — Machine Learning
Build an AI Agent with a Hippocampus: Implementing Sparse Distributed Memory in Python