Marmot

Discover any data asset in seconds. Then let your AI do the same.

The open-source context layer for your AI. Catalog your tables, topics, queues and APIs then expose real metadata to your AI agents.

Documentation • Live Demo • Deploy • Community

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What is Marmot?

Marmot is an open-source data catalog for teams who want powerful data discovery without enterprise complexity. Catalog every data asset, enrich it with the context that matters and make it accessible to your team and your AI tools.

Unlike traditional catalogs that require extensive infrastructure and configuration, Marmot ships as a single binary with an intuitive UI, making it easy to deploy and start cataloging in minutes.

<div align="center"> <a href="https://www.youtube.com/watch?v=_JBcQGj_bFU"> <img src="https://img.youtube.com/vi/_JBcQGj_bFU/maxresdefault.jpg" alt="Watch the Marmot demo on YouTube" width="480"> </a> <p><a href="https://www.youtube.com/watch?v=_JBcQGj_bFU">▶ Watch the 2-minute demo</a></p> </div>

Features

Search everything: Find any data asset in seconds with full-text search plus structured queries, boolean logic and metadata filters.
Interactive lineage: Trace data flows from source to destination and analyse impact before making changes.
Metadata-first: Store rich metadata for any asset type, from tables and topics to APIs and dashboards.
Team collaboration: Assign ownership, document business context and maintain shared glossaries.
AI-ready: Expose certified context through MCP, the API and the UI.

Deploy

New to Marmot? Follow the Deploy documentation for a guided setup, or try the live demo.

Development

See Local Development for how to get started developing locally.

Community

Join our Discord community for help, feedback and updates on new features.

Contributing

All types of contributions are encouraged and valued!

Report bugs or suggest features via GitHub Issues
Improve documentation
Build new plugins for data sources

Before contributing, please check out the Contributing Guide.

FAQ

What is Marmot?

Marmot is an open-source data catalog for teams who want powerful data discovery without enterprise complexity. It catalogs every data asset (tables, topics, queues, APIs), enriches it with context, and makes it accessible to both your team and AI tools. Unlike traditional catalogs requiring extensive infrastructure, Marmot ships as a single binary with an intuitive UI.

Why Use Marmot?

Feature	Benefit
Search Everything	Find any data asset in seconds with full-text search, structured queries, boolean logic, and metadata filters
Interactive Lineage	Trace data flows from source to destination, analyze impact before making changes
Metadata-First	Store rich metadata for any asset type (tables, topics, APIs, dashboards)
Team Collaboration	Assign ownership, document business context, maintain shared glossaries
AI-Ready	Expose certified context through MCP, API, and UI
Single Binary	No complex infrastructure required, deploy in minutes

How Does Marmot Integrate with AI Agents?

Marmot exposes certified context through MCP (Model Context Protocol), enabling AI agents to query real metadata about your data assets. This allows AI tools to understand your data landscape, trace lineage, and make informed decisions based on actual metadata rather than guessing.

What Data Sources Can I Catalog?

Marmot supports cataloging various data asset types through its plugin system:

Tables (databases, data warehouses)
Topics (message queues, event streams)
Queues (job queues, messaging systems)
APIs (REST, GraphQL, internal services)
Dashboards (visualization tools, BI platforms)

How Do I Deploy Marmot?

Quick Start Options:

Method	Description
Documentation Guide	Follow the Deploy guide for step-by-step setup
Live Demo	Try the live demo before deploying
Single Binary	Download and run the single binary for your platform

Is Marmot Free?

Yes! Marmot is open-source software licensed under the MIT License. You can use, modify, and distribute it freely. Self-hosting is completely free with no licensing costs.