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What are diagrams?

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You can bring your own diagrams (e.g Miro, DrawIO, Mermaid, PlantUML) into your catalog and assign them to any resource in your catalog.

With diagrams in EventCatalog you can:

  • Bring any diagram type - Mermaid, PlantUML, Miro embeds, IcePanel, Lucidchart, draw.io, images, or any MDX content
  • Version and compare your diagrams - Track how your architecture visualizations evolve over time and compare them
  • Assign to any resource - Link to any catalog resource (e.g domain, system, service, message)
  • Context to your AI - EventCatalog MCP exposes your diagrams to your AI agents.