topoteretes/cognee — Knowledge Graph Engine for AI Agent Memory in 6 Lines of Code (13.7K Stars, +310/day)

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Cognee provides a structured knowledge graph plus retrieval layer for AI agent memory with a 6-line integration API, gaining +310/day at 13.7K total stars. The graph-based approach gives agents relational context that flat vector embeddings miss — directly addressing the 'agents forget relationships' failure mode in long-running agentic systems. Positioned as a drop-in upgrade over vanilla RAG for builders already struggling with agent memory quality.