Component-driven development for humans and agents

Storybook-powered agentic UI development

The npm browsing experience we always wanted

Impacted versions 7–10. Patches available now.

Generate code with your components faster using fewer tokens

ESM-only, 29% lighter, module automocking, and more

Smaller, simpler, and modern

Automatic, fast, powerful mocking for your stories

Best-in-class Component Testing at your fingertips

How we cut Storybook’s bundle size in half

How Storybook 9 integrates accessibility into every part of the development lifecycle

Stories give you free test coverage

The lean, mean component testing machine

Try the future of UI testing today

How we're overhauling the Accessibility Addon in Storybook 9.0