Addons

Storybook Addon A11y: Test UI component compliance with WCAG web accessibility standards

Automate visual testing across browsers. Gather UI feedback. Versioned documentation.

Storybook Vitest addon: Blazing fast component testing using stories

Catch unexpected visual changes & UI bugs in your stories

Run component tests on stories via the command line or CI

Storybook Pseudo-states addon: Manipulate CSS pseudo states

The Nx Plugin for Storybook infers tasks and provides generators for allowing your workspace to use the powerful Storybook integration testing & documenting capabilities.

Generate code coverage reports for your stories

Storybook addons for visual testing with Percy

Addon for Storybook that generates test code for your stories.

Storybook addon for editing props

Integrate Vitest with Storybook

Storybook Jest addon: Show Jest report in Storybook's addon panel

Visual testing for Storybook test runner.

Screenshot capture for Storybook addon-vitest - Provides stable visual testing functionality and Vitest plugin for Storybook stories running in browser environments

Storybook Vitest visual testing addon

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

A storybook addon to help better understand and debug performance for React components

Catch unexpected visual and accessibility changes and UI bugs

Visual Regression Testing for Storybook

Mock your imports in the same way as Jest Manual Mocks do

Take a code snapshot of every story automatically with Jest

A utility that provides stable screenshot capture functionality using `@storybook/test-runner`.

Testing utilities that allow you to reuse your stories in your unit tests

Node.js screenshot capture for Storybook Test Runner - Provides stable screenshot functionality using Playwright for visual regression testing

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Cypress commands for Storybook projects

A Storybook addon to use and interact with a MirageJS server

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Storybook Addon A11y: Test UI component compliance with WCAG web accessibility standards

Self-contained visual regression testing for Storybook stories running on Vitest browser mode

Toggle between ltr-rtl

Storybook decorator and parameter helpers for TanStack Router — provides router context, route params, search params, and loader data in stories

See what your agent can and can't see. Diagnoses silent failures in your Storybook MCP manifest.

Storybook addon for TanStack Start — Vite plugin that stubs server-side imports (createServerFn, server entries, cookies) so stories render without a server

Test runner for Storybook stories

Add data fixtures to your components by using local data (JSON files or hardcoded) or even URLs to fetch the data from.

Cross-browser screenshot testing tool for Storybook with fancy UI Runner

Storybook configuration following open-wc recommendations

A happo.io plugin for projects using Storybook

This addon offers suggestions on how you can improve the HTML, CSS and UX of your components to be more mobile-friendly.

Visual testing for Storybook test runner.

Adds a panel to display Vitest unit test results

Storybook addon intended to let users see what is new with your repository

A Storybook addon that allows you to use and mock React components that rely on Jotai.

A Storybook v8 addong for mocking and displaying `localStorage` values

Storybook addon for accessibility interaction tests

Testing utilities that allow you to reuse your stories in your unit tests

Use vitest-mock-extended in Storybook to create powerful, type-safe mocks for your stories.

Storybook live examples plugin

Testing utilities that allow you to reuse your stories in your unit tests

An addon to visually test the stories in the multiple browsers within storybook environment

Bring the power of Applitools Eyes Visual AI addon into your Storybook UI to instantly detect visual bugs and ensure every component looks right, every time

Testing utilities that allow you to reuse your stories in your unit tests

A storybook addon that allows you to use components in your stories that rely on jotai atoms and see internal Jotai state in a panel.

Storybook plugin for Cappa - takes screenshots of Storybook stories

TestMu AI's command-line interface (CLI) to run SmartUI visual regression tests for your Storybook stories across 3000+ real browsers

Storybook addon for testing components

Catch accessibility violations in your Storybook stories as you develop

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Integrate Vitest with Storybook

Inspect the accessibility tree, heading outline and tab order of every story in a live panel

Storybook live examples plugin

A Storybook addon to sync Figma designs with components and perform pixel-visual regression testing.

fps-meter for storybook

Records HTTP interactions exercised through @web/mocks from Web Test Runner tests and Storybook stories (WDS or Vite builder), generating OpenAPI specs (default) or HAR files.

Storybook addon for AMP Html. Allows to display in your stories AMP Html components generated with React.

Inspect announcements of ARIA live regions

Measure how much of your design system is in code, and whether it matches Figma: coverage, parity and drift for every Storybook story.

A Storybook addon that answers @reatomized/convex functions with story handlers

Automate visual testing across browsers. Gather UI feedback. Versioned documentation. (with updated dependencies)

Mock time in your Storybook stories — freeze the clock or fast-forward it with a single decorator.

Measure how much of your design system is in code, and whether it matches Figma: coverage, parity and drift for every Storybook story.

A Storybook addon that allows you to use and mock React components that rely on Jotai.

Capture screenshot images from Storybook stories via Chromium.

Auth0-React library support for Storybook

Storybook Vitest addon: Blazing fast component testing using stories

Accessibility-first, codecept-style test actor and locator DSL for Storybook portable stories and Vitest browser mode.

Storybook knobs for web-components based on custom-elements.json

Observe and log aria-live region changes in the addon panel

Visual Regression Testing for Storybook

@luigiminardim/storybook-addon-globals-controls gives you a graphical UI to dynamically interact with the Storybook's globals variables. It creates an addon panel next to your component examples ("stories"), so you can edit them live.

CSS pseudo states for Storybook

Buddy visual regression testing and tunnels for Storybook. Upload your built Storybook to Buddy, review visual diffs of every story, and share your local Storybook through a public tunnel URL. A thin proxy for the bdy CLI.

Storybook >=10 addon that displays Vitest tests and coverage for the current component

a storybook addon that checks all of the hyperlinks in a storybook markdown file to determine if they are alive or dead

A storybook addon for previewing component files

Temporary fork of storybook-addon-module-mock for 8.0 compatbility

Storybook Vitest addon: Blazing fast component testing using stories (with updated dependencies)

Show angular template with args on story tab

Storybook addon prop editor component

Automate, test and debug user interactions

Create your own toolbar items that control story rendering

A storybook addon that generates unit test (Jest for now) based on user interaction on the Storybook component UI

Storybook Addon A11y: Test UI component compliance with WCAG web accessibility standards

Storybook addon for mocked Apollo client operations

Test component compliance with web accessibility standards

Storybook Vitest visual testing addon

A storybook addon to test pseudo styles for your stories.

Storybook Vitest visual testing addon

Storybook addon for testing component behavior across device sizes, orientations, and screen types.

An addon that applies inheritable css properties around a component to better test random use cases

React storybook addon that show component jest report

Visual Regression Testing for Storybook

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Storybook-addon-storypa11y is an addon for storybook that runs pa11y tests over each story in a storybook. It is based on top of the official storyshots addon

Storybook addon integration for Interactors

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Prototype of unofficial markuplint Storybook addon

Storybook Addon Range Controls lets you discover layout issues by adjusting story args with sliders.

Take a code snapshot of every story automatically with Jest

xstate addons for storybook/web-components (without dependency on @xstate/react)

An addon to visually test the stories in the multiple browsers within storybook environment

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Test runner for Storybook stories

Testing utilities that allow you to reuse your stories in your unit tests

Monitor a value returned by a callback

A storybook addon to help better understand and debug performance for React components

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Storybook addon for editing props

A utility that provides stable screenshot capture functionality using `@storybook/test-runner`.

A storybook addon for previewing component files

See an outline of your component's semantic structure as understood by browsers, assistive technologies, and search engines.

A storybook add-on to work in conjunction with @storybook/addon-coverage to display the coverage metrics in storybook UI panel

A modified version of Storybook addon that allows you to mock `localStorage` data

Storybook addons for visual testing with Percy

A storybook addon to switch between different css files

Test runner for Storybook stories

Add a Bugherd feedback button to the storybook UI

Storybook addon to switch themes

Visual Regression Testing for Storybook forked to support @storybook-react ^7

Storybook addon for Pactwork - Control API scenarios, latency, and network states directly from stories

Testing utilities that allow you to reuse your stories in your unit tests

CSS pseudo states for Storybook

A Storybook addon for creating interactive live examples

Storybook addon for editing props

Aakash's Storybook addon.

Storybook addon for editing props

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

A Storybook addon, Save the screenshot image of your stories! via puppeteer.

Storybook >=10 addon that displays Jest tests and coverage for the current component

A storybook addon that allows you to use components in your stories that rely on jotai atoms and see internal Jotai state in a panel.

Automate, test and debug user interactions (with updated dependencies)

Provides a toggle control in Storybook for dark mode with Tailwind.

CSS pseudo states for Storybook

Addon for Storybook that generates test code for your stories.

just, like show your external docs or any other page in an iframe, thats all i do...

Self-hosted visual regression review for Storybook: capture every story, diff against approved baselines, approve in the browser. Includes a Storybook tab.