vectorize-io/hindsight: Biomimetic Agent Memory with SOTA LongMemEval Performance — 7.1K Stars

GitHub·medium signal

Hindsight implements agent memory structured around three biomimetic types — world facts, experiences, and mental models — with three core operations: Retain, Recall, and Reflect. Uses parallel retrieval combining semantic search, keyword matching, graph-based retrieval, and temporal filtering. Claims state-of-the-art on LongMemEval benchmark, independently verified by Virginia Tech researchers. Used in production at Fortune 500 companies. SDKs for Python and Node.js, Docker deployment.