Cognee

Cognee is an open-source AI memory platform that gives your AI agents persistent long-term memory across sessions. Built on a self-hosted knowledge graph engine, Cognee stores, retrieves, and manages agent memories in a structured way — enabling agents to remember past conversations, decisions, and context. With 27K+ GitHub stars, it is the leading open-source solution for AI agent memory. The platform features a flexible memory graph that supports multiple memory types (episodic, semantic, procedural), a REST API for easy integration, and a Python SDK. Cognee runs entirely on your infrastructure, ensuring data privacy and control. It integrates with any LLM provider and agent framework, making it ideal for building AI agents that learn and improve over time. Key capabilities include automatic memory summarization, graph-based retrieval for relevant context, configurable memory retention policies, and multi-user memory isolation. Cognee is Apache-2.0 licensed and deploys via Docker with a single command.