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NVIDIA·Oct 31, 2026·rolling·open source

Auto Ontology

NVIDIA Auto Ontology is an open-source Python framework designed to build semantic, graph-based reasoning layers over enterprise data. It enables developers to generate ontologies from metadata, reconcile inconsistent definitions, and provide agents with trusted context for deterministic query generation and explainable AI workflows.

AI AgentsKnowledge GraphSemantic LayerData Engineering
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overview

NVIDIA Auto Ontology is an open-source Python framework designed to build semantic, graph-based reasoning layers over enterprise data. It enables developers to generate ontologies from metadata, reconcile inconsistent definitions, and provide agents with trusted context for deterministic query generation and explainable AI workflows.

key features
  • 01Natural-language querying of structured data translated to SQL via NVIDIA NIM
  • 02Semantic catalog and ontology layer stored in Postgres for enterprise-wide data context
  • 03Automated discovery and reconciliation of enterprise metadata and definitions
  • 04Support for Model Context Protocol (MCP) to integrate with agent harnesses like Cursor and Claude Desktop
  • 05Built-in authentication and Role-Based Access Control (RBAC) using Better Auth
  • 06Web UI for data catalog management, chat-based analysis, and system settings
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