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Fx Shader Kit

Shared WebGL shader background runtime for React with reduced motion and a CSS fallback.

Full screen Try a theme

Choose the primitives library your project already uses. Both look the same: your theme, not the variant, controls colors, shape, type and motion.

About this effect

What it's for

  • Shared WebGL shader background runtime for React with reduced motion and a CSS fallback.
  • Write my own fragment shader background component with the kit's canvas lifecycle and theme colours.

Includes

  • Webgl runtime
  • Fullscreen fragment shader
  • Canvas lifecycle
  • Dpr cap
  • Resize observer
  • Offscreen pause
  • Hidden tab pause
  • Context loss recovery

Works with

  • Radix UI and Base UI primitives (pick the one your project uses)
  • React 19 and Tailwind CSS 4 in Next.js (App Router), Vite, React Router or TanStack Start, installed with the agentic-ui or shadcn CLI
  • Your theme tokens, in light and dark mode

Install

Included with Agentic UI Kit (one-time license). Install needs your license key: see pricing · connect your project.

Agentic UI CLI
agentic-ui add fx-shader-kit
Installs through shadcn and adapts the component to your design tokens.
shadcn CLI
npx shadcn@4.17.0 add @agentic-ui/fx-shader-kit

Used in

A standalone component: drop it into any screen.

Type
Effect
Variants
Radix UI and Base UI
Themes
Light and dark
Widths
Preview it at desktop, tablet and mobile widths above.