# Schema City

> See your Umbraco content model as a city in the backoffice, and catch schema problems before they ship.

## Docs

- [Schema City for Umbraco](https://schema-city.thebuilder.dk/overview): See your Umbraco content model as a city in the backoffice, and catch schema problems before they ship.
- [Quickstart](https://schema-city.thebuilder.dk/quickstart): Install Schema City and open your content model as a city in the Umbraco backoffice.
- [Navigate the city](https://schema-city.thebuilder.dk/navigation): Move the camera through the city, use the keyboard and a screen reader, and look up every control.
- [Investigate a type](https://schema-city.thebuilder.dk/investigate-a-type): Search, hover, select and focus on a Document Type, and read the boards, buildings and names in the city.
- [Move between views](https://schema-city.thebuilder.dk/views): Switch between the City, List, Tree, Matrix and Editor views, most of which work without the 3D canvas.
- [Review findings](https://schema-city.thebuilder.dk/findings): See what the schema checks flag, export findings as CSV, and mark the deliberate ones as intentional.
- [Check content usage](https://schema-city.thebuilder.dk/content-usage): Colour the city by content count, published share, cultures, incoming references or unused types.
- [Investigate a Data Type](https://schema-city.thebuilder.dk/data-types): See which types use a Data Type, and what blocks content stores in a block editor.
- [Trace the impact of a change](https://schema-city.thebuilder.dk/impact): List every type a change reaches, check a property alias for collisions, and share the trace.
- [Compare schema snapshots](https://schema-city.thebuilder.dk/compare): Compare the current schema with a saved snapshot, grouped by cause, and tick off what you planned.
- [Lay out the city](https://schema-city.thebuilder.dk/layout): Choose how the city is cut into districts, and how types are placed on each board.
- [Present the city](https://schema-city.thebuilder.dk/present): Show the schema to a room in presentation mode, with larger names and a caption card.
- [License](https://schema-city.thebuilder.dk/license): License and source code for Schema City.

## Agent resources

- [llms-full.txt](https://schema-city.thebuilder.dk/llms-full.txt): The full Markdown of every page in one file.
- [Page Markdown](https://schema-city.thebuilder.dk/index.md): Append `.md` to any page URL to fetch that page as raw Markdown.
- [JSON API](https://schema-city.thebuilder.dk/api/docs/pages.json): Page index of the JSON docs API; each entry links the page's JSON and Markdown forms. Described by the OpenAPI document at https://schema-city.thebuilder.dk/openapi.json.
- [Agent skills](https://schema-city.thebuilder.dk/.well-known/agent-skills/index.json): Agent Skills discovery index of the skills this site publishes.
- [API catalog](https://schema-city.thebuilder.dk/.well-known/api-catalog): RFC 9727 linkset of the APIs documented here.
- [AI catalog](https://schema-city.thebuilder.dk/.well-known/ai-catalog.json): ARD manifest of the agent-facing resources on this site (MCP server, skills, APIs).
- [agent-readability.json](https://schema-city.thebuilder.dk/agent-readability.json): Manifest of every agent-facing artifact on this site.
- [Sitemap](https://schema-city.thebuilder.dk/sitemap.xml): Every indexable page URL with its last-modified date.