Storybook website screenshot

Storybook

Storybook is the industry-standard frontend workshop for building, documenting, and testing UI components in isolation. It supports React, Vue, Angular, Svelte, Web Components, and a dozen other frameworks. Developers write stories capturing component states, use addons for interaction testing, accessibility auditing, visual testing, and design integration, and publish component documentation for design systems and component libraries. Storybook 10+ includes an MCP server enabling AI agents to understand components, generate stories, and run tests. The project is open source (MIT) and maintained by the storybookjs GitHub organization.

Storybook publishes 2 APIs on the APIs.io network. Tagged areas include Accessibility Testing, Component Documentation, Component Testing, Design Systems, and Frontend Development.

The Storybook catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Storybook’s developer surface includes documentation, engineering blog, release notes, YouTube channel, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
33.1/100 thin ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
2 APIs
Accessibility TestingComponent DocumentationComponent TestingDesign SystemsFrontend DevelopmentOpen SourceReactUI ComponentsVisual Testing

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 33.1/100 · thin
Contract Quality 3.2 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 6.8 / 13
Governance 7.0 / 12
Discoverability 5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/storybook: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

Storybook

Storybook is an open-source frontend workshop for building UI components and pages in isolation. Supports React, Vue, Angular, Svelte, Web Components, Ember, Preact, and more. C...

Storybook MCP Server

The Storybook MCP (Model Context Protocol) server enables AI agents to interact with a running Storybook instance. Available as the @storybook/addon-mcp addon (runs within the d...

Pricing Plans 1

Published pricing tiers and plan structures.

Storybook Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Storybook Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Storybook Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Storybook Context

6 classes · 7 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Storybook API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

Storybook Component Meta (CSF Default Export)

10 properties

JSON SCHEMA

Storybook Story (CSF)

7 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Storybook Csf Structure

0 properties

JSON STRUCTURE

Examples 2

Example request and response payloads for these APIs.

Storybook Button Story Example

3 fields

EXAMPLE

Storybook Mcp List Documentation Example

5 fields

EXAMPLE

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Storybook Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrg
GitHubOrg
 NPM
NPM

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Learn 2

Tutorials, courses, talks, and written guidance

Tutorials
Tutorials
 YouTube
YouTube

Operate 2

Status, limits, changes, and where to get help

ReleaseNotes
ReleaseNotes
 Discord
Discord

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: storybook
name: Storybook
description: Storybook is the industry-standard frontend workshop for building, documenting, and testing UI components in
  isolation. It supports React, Vue, Angular, Svelte, Web Components, and a dozen other frameworks. Developers write stories
  capturing component states, use addons for interaction testing, accessibility auditing, visual testing, and design integration,
  and publish component documentation for design systems and component libraries. Storybook 10+ includes an MCP server enabling
  AI agents to understand components, generate stories, and run tests. The project is open source (MIT) and maintained by
  the storybookjs GitHub organization.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/storybook.png
tags:
- Accessibility Testing
- Component Documentation
- Component Testing
- Design Systems
- Frontend Development
- Open Source
- React
- UI Components
- Visual Testing
created: '2025-01-08'
modified: '2026-05-02'
url: https://raw.githubusercontent.com/api-evangelist/storybook/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: storybook:storybook
  name: Storybook
  description: Storybook is an open-source frontend workshop for building UI components and pages in isolation. Supports React,
    Vue, Angular, Svelte, Web Components, Ember, Preact, and more. Core features include component story format (CSF), interactive
    controls, documentation generation, interaction testing, accessibility testing, and visual snapshot testing. Published
    component libraries serve as living design system documentation for engineering and design teams.
  humanURL: https://storybook.js.org/
  tags:
  - Accessibility Testing
  - Component Documentation
  - Component Testing
  - Design Systems
  - Frontend Development
  - Open Source
  - UI Components
  - Visual Testing
  properties:
  - type: Documentation
    url: https://storybook.js.org/docs
  - type: Website
    url: https://storybook.js.org/
  - type: GitHubRepository
    url: https://github.com/storybookjs/storybook
  - type: NPM
    url: https://www.npmjs.com/package/storybook
  - type: ChangeLog
    url: https://github.com/storybookjs/storybook/blob/next/CHANGELOG.md
  - type: Tutorials
    url: https://storybook.js.org/tutorials/
  - type: Integrations
    url: https://storybook.js.org/integrations/
- aid: storybook:storybook-mcp
  name: Storybook MCP Server
  description: The Storybook MCP (Model Context Protocol) server enables AI agents to interact with a running Storybook instance.
    Available as the @storybook/addon-mcp addon (runs within the dev server at /mcp) and @storybook/mcp standalone library.
    Exposes tools for listing documentation, accessing component metadata, previewing stories, and running component tests.
    Supports React projects in Storybook 10.3+.
  humanURL: https://storybook.js.org/docs/ai/mcp/overview
  tags:
  - AI
  - Component Testing
  - MCP
  - Model Context Protocol
  - Open Source
  - React
  properties:
  - type: Documentation
    url: https://storybook.js.org/docs/ai/mcp/overview
  - type: GitHubRepository
    url: https://github.com/storybookjs/mcp
  - type: NPM
    url: https://www.npmjs.com/package/@storybook/addon-mcp
  - type: Blog
    url: https://storybook.js.org/blog/storybook-mcp-for-react/
common:
- type: DomainSecurity
  url: security/storybook-domain-security.yml
- type: Website
  url: https://storybook.js.org/
- type: Documentation
  url: https://storybook.js.org/docs
- type: Blog
  url: https://storybook.js.org/blog
- type: Tutorials
  url: https://storybook.js.org/tutorials/
- type: Integrations
  url: https://storybook.js.org/integrations/
- type: ReleaseNotes
  url: https://storybook.js.org/releases
- type: GitHubOrg
  url: https://github.com/storybookjs
- type: NPM
  url: https://www.npmjs.com/package/storybook
- type: X
  url: https://x.com/storybookjs
- type: Discord
  url: https://discord.gg/storybook
- type: YouTube
  url: https://www.youtube.com/@chromaticui
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com