Untitled UI React

Untitled UI React launched in 2026 as the code companion to the Untitled UI Figma kit, which is one of the most widely used design files in the industry. Built on React Aria, Tailwind CSS v4 and TypeScript, with its own CLI and MCP server.

At a glance

Distribution	CLI, components copied into your project
Primitives	React Aria Components
Styling	Tailwind CSS v4
Design source	paired Untitled UI Figma kit
MCP server	yes, its own
License	MIT for the open library, commercial for PRO

Design and code from one source

This is the real differentiator. Most libraries ship a Figma kit as an afterthought that drifts from the code within two releases. Here the code is derived from the design file, so a designer handing over a screen and a developer building it are working from the same definitions.

If your team already uses the Untitled UI Figma kit, this removes an entire translation step.

AI tooling

Untitled UI publishes its own MCP server so assistants can browse, search and install components directly from the editor. It is documented as working with Claude Code, Cursor and Gemini CLI among others.

Accessibility comes from React Aria

Because the primitives are Adobe's React Aria Components, keyboard handling, focus management and screen reader behaviour are inherited from the most rigorous accessibility layer in React rather than reimplemented.

Choose it if

• Your designers already work in Untitled UI Figma files.
• You want React Aria's accessibility with a finished visual layer on top.
• You want the largest open-source React component collection to pick from.

Look elsewhere if

• You want a small, focused set. The breadth here is a learning curve of its own.
• You need the PRO tier's extras but not its licence terms.