Knowledge-graph MCP servers (3)

Codebase Memory
47k3.8k181
Indexes a codebase into a persistent knowledge graph that agents can query. Single static binary.
In official registryUpdated Oct 2026code-intelligenceknowledge-graphdeveloper-toolsDetails
Cognee
Shared repo
Long-term memory for agents built on graph and vector stores, with ingestion from many data sources.
Updated Oct 2026memory knowledge-graph rag Details
Graphiti
Shared repo
Official Graphiti MCP server for temporal knowledge-graph memory, built on Zep Graphiti.
Updated Oct 2026official memory knowledge-graph graph Details