CortexDB is an open source, pure-Go library for building local-first AI memory and knowledge graph solutions. It supports vectors, RAG, agent memory, RDF/SPARQL, and MCP tools, all in a single SQLite file. Designed for developers needing embeddable, self-hosted AI data infrastructure.
CortexDB sits in PulseGate's Databases (SQL, NoSQL, vector, graph) category. Enabling developers to build local-first AI memory and knowledge graph solutions with a single-file, embeddable database. CortexDB is an open-source project aimed at AI developers and data engineers. The project is open source (MIT). The product ships for the web, the command line, and API, and it can be self-hosted.
liliang-cn builds and maintains CortexDB, and the product first shipped in 2025. The project is developed in the open on GitHub with 82 stars and 175 commits in the last 90 days. Across PulseGate's embedding index, CortexDB has few near neighbours, marking it as relatively distinct. Among its 10 catalogued features are vector search, knowledge graph, and RAG support. It exposes integrations via an MCP server and a public API.
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