Marmot
Open-source data catalog that helps teams discover and manage data assets across an organization. Ships as a single binary and catalogs databases, APIs, message queues, and data pipelines with full-text search, interactive lineage graphs, and metadata management.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Community/specialized tool. Apply standard security practices for category. Review documentation for specific security requirements.
⚡ Reliability
Best When
You need a lightweight, self-hosted data catalog without the complexity of enterprise platforms like DataHub or Amundsen. Good for small-to-medium teams wanting quick data discovery.
Avoid When
You need deep integrations with specific cloud data platforms, advanced data quality monitoring, or enterprise-scale governance features. No MCP server available.
Use Cases
- • Discovering data assets across an organization
- • Tracing data lineage and understanding impact of changes
- • Documenting data ownership and business context
- • Building organizational data glossaries
- • Searching metadata across databases, APIs, queues, and pipelines
Not For
- • Real-time data processing or ETL
- • Data warehousing or storage
- • AI/ML model serving
Interface
Authentication
Authentication details not documented in README. Self-hosted deployment.
Pricing
MIT licensed. Fully open source.
Agent Metadata
Known Gotchas
- ⚠ No MCP server -- would need custom integration via REST API or CLI
- ⚠ Requires PostgreSQL backend infrastructure
- ⚠ Documentation primarily on external site, not in README
Alternatives
Full Evaluation Report
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Scores are editorial opinions as of 2026-03-07.