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Popular addons
Accessibility
Storybook Addon A11y: Test UI component compliance with WCAG web accessibility standards
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Themes
Storybook Themes addon: Switch between themes from the toolbar
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Designs
Storybook addon for embedding your design preview in addon panel
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storybook-dark-mode
Toggle between light and dark mode in Storybook
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Tag Badges
Display Storybook tags as badges in the sidebar and toolbar.
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Chromatic
Automate visual testing across browsers. Gather UI feedback. Versioned documentation.
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Visual Tests
Catch unexpected visual changes & UI bugs in your stories
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Test
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Mock Service Worker
Mock APIs in Storybook using Mock Service Worker.
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vite-plugin-storybook-nextjs
Vite plugin that enables Next.js features in Vite and Storybook
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Test runner
Run component tests on stories via the command line or CI
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Addon MCP
Help agents automatically write and test stories for your UI components
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