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Cognee - AI Memory and Knowledge Graph Platform logo
Self-hostedAI InfrastructureAlt to LangChain

Cognee - AI Memory and Knowledge Graph Platform

Cognee is a self-hosted AI memory platform that builds knowledge graphs and semantic retrieval pipelines for RAG apps, assistants, and data-driven AI systems.

Interface preview

Cognee - AI Memory and Knowledge Graph Platform user interface

Cognee is built for AI systems that need persistent memory and relationship-aware retrieval, not just flat vector similarity lookups.

Key Features

  • Knowledge Graph Construction: Turn raw content into linked entities and relationships.
  • Semantic Retrieval Layer: Combine embeddings with contextual retrieval patterns.
  • Model Provider Flexibility: Integrate different LLM and embedding stacks.
  • MCP Ecosystem Support: Connect with assistant workflows using MCP patterns.
  • API-First Design: Ingest, process, and query through service APIs.
  • Storage Backends: Support multiple persistence strategies for different use cases.

Why Choose Cognee?

  • You are building RAG apps with memory requirements.
  • You need better context structure than a plain vector DB.
  • You want private data ownership for AI workloads.

Docker Deployment

Cognee is commonly deployed with PostgreSQL/pgvector and related service components. Use persistent volumes and secure API key management.

Getting Started

  1. Deploy Cognee and its data services.
  2. Configure model provider credentials.
  3. Ingest documents or datasets.
  4. Validate retrieval and graph quality on real queries.

Full Setup Guide

Follow this full walkthrough: Cognee Self-Host Guide.

Cognee - AI Memory and Knowledge Graph Platform logo
Self-hostedAI Infrastructure

Cognee - AI Memory and Knowledge Graph Platform

Cognee is a self-hosted AI memory platform that builds knowledge graphs and semantic retrieval pipelines for RAG apps, assistants, and data-driven AI systems.

Alternative to LangChain

Key features

  • Knowledge graph generation
  • Semantic retrieval with embeddings
  • Multi-model AI integrations
  • MCP-compatible workflows
  • API-based data ingestion
  • Flexible storage backends

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