Reverse-engineering Instinct's memory: beautifully simple, replicable in 60 lines

julianweisser · x · 2026-09-21

Dev DhravyaShah spent 3 days reverse-engineering the memory system of Instinct, the iMessage AI assistant that has taken off over the last two weeks. He found the design beautifully simple yet extremely effective, published a full teardown of how it works, and showed how to replicate the same memory mechanism in just 60 lines of code using his open-source supermemory project.

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