Mnemos: an engram-inspired memory architecture doubles short-term recall vs Claude's native memory

RileyRalmuto · x · 2026-10-10

Developer RileyRalmuto unveiled Mnemos, a cognitive architecture for agents built around the engram concept, tracing it from Richard Semon's 1904 memory-trace hypothesis to modern neuroscience that can tag and toggle memory-holding cells. Applied to silicon minds, Mnemos reportedly more than doubled short-term recall accuracy versus Claude's native memory system in tests this week (self-reported, details pending). The project's original goal was cross-session continuity and persistent identity for AI agents. The author says the idea came in a dream and promises to soon publish how the system works and how to use it with your own agents.

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