NeuronDB is an open-source extension for PostgreSQL that adds support for vector search, machine learning inference, and retrieval-augmented generation workflows. It includes agent runtimes, desktop and web interfaces, and supports integration with Model Context Protocol (MCP).
In the Databases (SQL, NoSQL, vector, graph) space, NeuronDB Repositories takes a focused approach. It enables developers to add vector search, machine learning inference, and RAG workflows to PostgreSQL databases. NeuronDB Repositories is an open-source project aimed at data engineers and developers. The project is open source (Open Source). It runs on the web, macOS, Windows, Linux, and API, and it can be self-hosted.
NeuronDB Team builds and maintains NeuronDB Repositories, and the product first shipped in 2025. The project is developed in the open on GitHub with 50 stars and 2 commits in the last 90 days. Across PulseGate's embedding index, NeuronDB Repositories has few near neighbours, marking it as relatively distinct. Among its 7 catalogued features are vector search, ML inference, and RAG workflows. It exposes integrations via an MCP server and a public API.
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