plastic-labs/honcho: Entity-Centric Memory Library with Continual Learning for Stateful Agents — 1.3K Stars, +516/Week

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Honcho is an open-source memory library where both users and agents are represented as 'peers' in an entity-centric model, enabling multi-participant sessions with mixed human and AI agents. Features 'Dreaming' — asynchronous background reasoning that continuously optimizes understanding of each peer without impacting runtime. Built as a FastAPI server with Python and TypeScript SDKs. Unlike simple key-value memory stores, it understands entities that change over time. 1.3K stars, +516 this week.