storybookjs/storybook
Grade a repo

87

/ 100

GradeB

A top-tier open source project. Docs, tests, and CI are all in excellent shape.

Top 18% of 5,156 graded repos

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Documentation83
Engineering93
Health79
TypeScript90,458MIT1mo ago

Top fixes

Highest-impact changes first, ranked by point weight

14 to address
  1. 1
    CI/CD14pt

    Add a lint step to catch style issues automatically.

  2. 2
    CI/CD14pt

    Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.

  3. 3
    CI/CD14pt

    Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.

  4. 4
    Install and run instructions9pt

    Add a section showing how to start or use the project.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

83

Install and run instructions9pt45

README documents how to install the project.

Contributing guide5pt89

Contributing guide is detailed and thorough.

README12pt100

README is present.

License6pt100

Licensed under MIT.

Engineering

93

Reproducibility6pt80

Lockfile present (yarn.lock). Installs are reproducible.

CI/CD14pt85

CI is configured (.github/workflows/fork-checks.yml).

Tests18pt100

Test files detected (code/addons/a11y/src/a11yRunner.test.ts).

Linting and formatting5pt100

Linter or formatter configured (.editorconfig).

Issue and PR templates6pt100

Issue or PR templates present.

Project health

79

Dependency manifest6pt55

Dependency manifest found (package.json).

Housekeeping3pt60

.gitignore present.

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • 799 / 3142
    Commits (30d / 90d)
  • 10,157
    Forks
  • 1000
    Releaseslatest 5y ago

Community

  • 100% - Good
    Community health
  • 4 bus factor
    authors own >50% of commits
  • 90,458
    Watchers

Responsiveness

  • 4h
    Median issue response
  • 7h
    Median PR merge time
  • 1,756
    Open issues
Repository files50 root entries
  • .agents
  • .circleci
  • .claude
  • .codex
  • .cursor
  • .github
    Good: CI is configured (.github/workflows/fork-checks.yml).
    Good: Issue or PR templates present.
  • .husky
  • .nx
  • .vscode
  • .yarn
  • code
    Good: Test files detected (code/addons/a11y/src/a11yRunner.test.ts).
  • CONTRIBUTING
  • docs
  • scripts
  • test-storybooks
  • .cursorrules
  • .editorconfig
    Good: Linter or formatter configured (.editorconfig).
  • .env
    Issue: Build artifacts or local files may be committed (.env) (−40 pts).Fix: Remove them and add to .gitignore.
  • .git-blame-ignore-revs
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .lintstagedrc.mjs
  • .mailmap
  • .nvmrc
    Good: Environment pinned via .nvmrc.
  • .oxfmtrc.json
  • .spelling
  • .yarnrc.yml
  • AGENTS.md
  • CHANGELOG.md
  • CHANGELOG.prerelease.md
  • CHANGELOG.v1-5.md
  • CHANGELOG.v6.md
  • CLAUDE.md
  • CODE_OF_CONDUCT.md
    Good: Code of conduct present.
  • codecov.yml
  • CODEOWNERS
  • CONTRIBUTING.md
    Good: Contributing guide is detailed and thorough.
    Good: Contributing guide includes setup/install instructions.
    Issue: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them.
    Issue: Contributing guide lacks a testing section (−8 pts).Fix: Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    Good: Contributing guide describes the PR/review workflow.
    Good: Contributing guide includes code examples.
  • CONTRIBUTING.old.md
  • dependabot.yml
  • LICENSE
    Good: Licensed under MIT.
  • MAINTAINERS.md
  • MIGRATION.md
  • nx.json
  • package.json
    Good: Dependency manifest found (package.json).
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Issue: No run or usage instructions found (−45 pts).Fix: Add a section showing how to start or use the project.
  • RESOLUTIONS.md
  • SECURITY.md
    Good: Security policy present.
  • storybook.code-workspace
  • vitest.config.ts
  • yarn.lock
    Good: Lockfile present (yarn.lock). Installs are reproducible.
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