Library / SDK
Retrieval & Memory
Cognee
1Memory 2and 3knowledge 4graphs 5for 6agents
the six Ws · specification
W1
Who
Maintained by topoteretes, an open-source project.
W2
What
Builds memory and knowledge graphs from your data.
W3
Where
A Python library on your infrastructure.
W4
When
When agents need structured memory over ingested data.
W5
Why
Replaces brittle RAG with connected, queryable memory.
W6
With
Python, a vector and graph store, and an LLM.
W7
Watch
Community and startup-maintained; open-source (Apache-2.0), self-hostable. It calls your configured LLM and stores data in backends you control.