# ui-uitk

> Claude/Codex skill by [@unity-technologies](https://omgskills.com/library/unity-technologies/index.md) · 1.1k stars · Updated 2026-10-16

Understands, edits, and generates Unity UI Toolkit UXML and USS with flex layouts. Use for requests involving UI Toolkit, UIElements, UIDocument, PanelSettings, custom elements, or UI runtime binding.

## Install

```sh
git clone https://github.com/Unity-Technologies/skills /tmp/skills && ln -s /tmp/skills/skills/ui-uitk ~/.claude/skills/ui-uitk
```

## From README

References Read these as needed: references/uss-guide.md — USS patterns and examples references/svg-icons.md — SVG icon generation (only when generating icons) references/common-issues.md — Common mistakes to avoid references/ui-runtime-binding.md — Patterns and guide to bind data to UI at runtime (only when requested or when bindings are involved) references/painter2d.md — Painter2D API for custom visuals: gradients, shapes, arcs, procedural drawing (read this whenever gradients, custom shapes, progress rings, procedural drawing, or any visual beyond what USS can express is needed) references/pointermanipulator-guide.md — Patterns and guide to create and use Manipulators (only when requested or when manipulators are involved). This helps with setting up drag and drop features or simple event handling for a Visual Element. references/custom-elements.md — Custom UI Element patterns and guide to create reusable components with UXML, USS, and C\#.

## Links

- HTML page: https://omgskills.com/library/unity-technologies/skills/ui-uitk/
- GitHub: https://github.com/Unity-Technologies/skills
- Author: [@unity-technologies](https://omgskills.com/library/unity-technologies/index.md)

## More from this repo

- [audio-setup-mixers](https://omgskills.com/library/unity-technologies/skills/audio-setup-mixers/index.md) — Routes Audio Sources into existing Audio Mixer Groups, classifying each source by what it plays.
   - [@unity-technologies](https://omgskills.com/library/unity-technologies/index.md) · 1.2k stars
- [build-live-game](https://omgskills.com/library/unity-technologies/skills/build-live-game/index.md) — Builds and operates a live game's backend with Unity Gaming Services.
   - [@unity-technologies](https://omgskills.com/library/unity-technologies/index.md) · 1.2k stars
- [generate-editor-search-query](https://omgskills.com/library/unity-technologies/skills/generate-editor-search-query/index.md) — Generates Unity Search queries and opens the Search window to find assets or scene objects.
   - [@unity-technologies](https://omgskills.com/library/unity-technologies/index.md) · 1.2k stars
