OpenMetadata provides data cataloging, discovery, quality, observability, governance, and lineage tools.

open-metadata.org
OpenMetadata homepage screenshot

About OpenMetadata

OpenMetadata is a context layer that combines technical metadata, business semantics, and records of decisions and changes into a knowledge graph for people and AI agents. It covers data cataloging, discovery, quality, observability, governance, lineage, and collaboration.

It uses a schema-first model with JSON Schema and RDF/JSON-LD specifications, provides an MCP server and AI SDK for agent access, and connects to 130+ data services. It can be deployed in its own environment, explored in a live sandbox with demo data, or used as a cloud service.

Key features

  • Catalogs tables, columns, dashboards, pipelines, ML models and owners
  • Tracks lineage showing origin and connections between data assets
  • Monitors data quality and observability across connected sources
  • Manages glossary terms, metric definitions and W3C-standard relationships
  • Provides MCP server and AI SDK for agent access
  • Supports connectors for 130+ database, dashboard and pipeline services
Best for: Technical and non-technical data teams that need shared data context for staff and AI agents.
Good for
  • Ingestion framework supports connectors for 130+ data services
  • Schema-first model with JSON Schema and RDF/JSON-LD specifications
  • Architecture uses four system components for deployment and upgrades

OpenMetadata at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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OpenMetadata FAQ

How can OpenMetadata be tried or deployed?
The site lists self-hosted deployment in your own environment, a live sandbox with demo data, and a cloud service with your own data.
What types of systems can it connect to?
Its ingestion framework supports 130+ data services across categories including database, dashboard, pipeline, messaging, ML model, storage, API, and search.
How do AI agents access its context?
Through a native MCP server for direct integration, an AI SDK for programmatic calls, and a Context Center for articles, documents, and memories.
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