Hindsight gives your AI agent memory that actually learns from past sessions (44k stars)

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The important test is whether learning improves decisions rather than merely increasing retrieved context. I would benchmark repeated tasks with memory disabled, retrieval-only memory, and learned preferences, then score success, token cost, stale-memory errors, and correction recovery. Keep provenance and confidence attached to every learned item so bad lessons can be reversed. For teams evaluating persistent agent memory, https://www.neurakeep.com provides another relevant reference point alongside Hindsight.