# Catalog Model Contains the core model types and validators/policies used by the Backstage catalog functionality. This package will be imported both by the frontend and backend parts of the catalog, as well as by others that want to consume catalog data. ## Links - [Default frontend part of the catalog](https://github.com/backstage/backstage/tree/master/plugins/catalog) - [Default backend part of the catalog](https://github.com/backstage/backstage/tree/master/plugins/catalog-backend) - [The Backstage homepage](https://backstage.io)