React, but set up already.

A batteries-included React stack that gives coding agents and developers a stable, opinionated surface — so you ship features, not config.

$ bunx create-rejoice-app@latest your_app_name

Requires Bun installed. That's it.

Read the docs

Everything you need. Nothing you don't.

	What	Why
	TypeScript	Full type safety out of the box. Zero-config JSX runtime — no `import React` needed.
	Ant Design 5	24+ components pre-exported. Buttons, Forms, Modals, Tables, Layout — one import.
	Zustand	Lightweight state management with middleware. Built-in persistent theme store included.
	Lucide Icons	Beautiful, consistent icon set. Tree-shakeable — only icons you use ship to production.
	Dark Mode	Light and dark themes built in. Persistent via localStorage. One hook to toggle.
	Bun Runtime	Default bundler and runtime. Faster installs, faster builds, fewer moving parts.

Built for coding agents.

When an AI agent scaffolds a new app, it shouldn't have to choose between Tailwind or CSS Modules, Redux or Zustand, Webpack or Vite. Every choice is a coin flip that compounds into drift.

rejoice eliminates that entropy. One package, one import, one set of conventions. The agent always knows what's available, where it lives, and how to use it — because the answer never changes.

That's determinism: a stable surface that makes AI-generated code predictable, reviewable, and mergeable. No more "which UI library did the agent pick this time?"

// One import. Everything you need.
import {
  useState,
  Button,
  Card,
  styled,
  useTheme,
  create,
} from "rejoice-js";

const Counter = () => {
  const [count, setCount] = useState(0);
  const { isDarkMode } = useTheme();

  return (
    <Card title="Counter">
      <Button onClick={() => setCount(c => c + 1)}>
        {count}
      </Button>
    </Card>
  );
};

React, but set up already.

Connect MCP Server

Everything you need. Nothing you don't.

Built for coding agents.

Don't confuse your agent, let it rejoice.