Neo4j open-sources Relate, an in-memory graph database embedded in AI agents
steveonjava · x · 2026-11-12
Neo4j released Relate, an open-source, in-memory graph database that runs right inside your AI agents—no database server to deploy or maintain—providing connected memory and context wherever the agent runs.
Relate combines graph traversal and vector search in Cypher, ships with a CLI, agent skills, and an MCP endpoint; memory can be kept ephemeral for a single task or persisted across sessions.
The author and @cassandraonjava put it to work in Tracetoon, an open-source project generating PR descriptions from agent traces: they used Relate to connect code, decisions, commands, and checks into a focused evidence brief before the model writes. In their tests this produced better PR descriptions with fewer tokens.
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