Whats new in EventCatalog - July 2026
July was the month EventCatalog v4 landed. Systems and context maps, custom pages and API routes, message trigger paths, scoped MCP servers, custom properties, and a lot of polish underneath.
EventCatalog Blog
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Scope your MCP server to a domain or system
Scope EventCatalog's MCP server to a domain or system so AI tools work with the right services, language, and decisions without loading the whole catalog.
Add custom dashboards, tools, and APIs to EventCatalog
EventCatalog now supports custom pages and API routes, so teams can build their own catalog tools, dashboards, workflows, and API-backed pages.
Introducing EventCatalog v4
EventCatalog v4 adds a new vision for our project. New system resource type, context maps, and simpler discovery. EventCatalog CI/CD Agent and faster catalogs. A better community edition, and clearer license models.
Bring live data into EventCatalog
Use custom EventCatalog components to fetch service health, ownership, deployment, and registry data directly into your architecture documentation.
How to turn C4 diagrams into EventCatalog documentation
Two ways to bring C4 architecture modeling into EventCatalog: a Claude skill that converts C4 diagrams (Structurizr, C4-PlantUML, Mermaid C4) into a full event-driven catalog, and the LikeC4 component that renders interactive C4 diagrams directly inside EventCatalog pages.
Whats new in EventCatalog - May 2026
May was one of our biggest months yet. Agents and ADRs are now first-class resources you can document and govern, the EventCatalog Editor is in beta, plus full-content search, GitHub user sync, and more features aimed at coding agents.
Sync users and teams from GitHub into EventCatalog
EventCatalog can now sync users and teams directly from GitHub. Point it at your org, and ownership data stays accurate without manual upkeep.
Your architecture decisions belong next to your architecture
Architecture Decision Records are now a first-class resource in EventCatalog. Document the why behind your design choices and link them directly to the services, events, and domains they affect.
Let tools find your APIs from one URL
EventCatalog can now publish an API catalog at /.well-known/api-catalog, giving agents and developer tools one machine-readable place to discover your service, domain, and MCP API surfaces.