# Ballmac UI > Accessible React + Tailwind v4 components in one design language, distributed as a shadcn registry (namespace @ballmac). Install with `npx shadcn@latest add @ballmac/`; files go to components/ballmac. ## Docs - [Installation](https://ui.ballmac.com/docs/installation): set up and add components - [MCP](https://ui.ballmac.com/docs/mcp): use Ballmac UI from Claude Code, Cursor, VS Code and Codex - [Registry index](https://ui.ballmac.com/r/registry.json): every item in shadcn registry format ## Components - [Button](https://ui.ballmac.com/components/button): A button with six variants, three sizes, a pill shape and a built-in loading state. Renders any element with asChild. Install: @ballmac/button - [Number Ticker](https://ui.ballmac.com/components/number-ticker): Counts up to a number when it scrolls into view, with locale-aware formatting for currency, percentages and decimals. Install: @ballmac/number-ticker