mdn/fred
Grade a repo

93

/ 100

GradeA

Polished and well engineered. Punching above its star count.

Top 8% of 5,156 graded repos

MDN's frontend since late 2025, built with Web Components, Lit, and SSR for a fast, clean documentation experience. Fred = /fr(ont)e(n)d/.

JavaScript222MPL-2.01mo ago

Top fixes

Highest-impact changes first, ranked by point weight

8 to address
  1. 1
    README12pt

    Add a GIF, screenshot, or logo image. It is the fastest way to show what your project does.

  2. 2
    README12pt

    Add CI/build status badges from shields.io or your CI provider to signal project health.

  3. 3
    Install and run instructions9pt

    Add a .env.example listing all required environment variables so contributors know what to set up.

  4. 4
    Dependency manifest6pt

    Add a one-line description to package.json. It appears in npm search and on GitHub.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

84

README12pt70

README is present.

Contributing guide5pt85

Contributing guide is detailed and thorough.

Install and run instructions9pt90

README documents how to install the project.

License6pt100

Licensed under MPL-2.0.

Engineering

100

Tests18pt100

Test files detected (test).

CI/CD14pt100

CI is configured (.github/workflows/main-review-companion.yml).

Linting and formatting5pt100

Linter or formatter configured (.editorconfig).

Reproducibility6pt100

Lockfile present (package-lock.json). Installs are reproducible.

Issue and PR templates6pt100

Issue or PR templates present.

Project health

92

Dependency manifest6pt75

Dependency manifest found (package.json).

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Housekeeping3pt100

.gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • -
    Commits (30d / 90d)
  • 51
    Forks
  • 46
    Releaseslatest 11mo ago

Community

  • 100% - Good
    Community health
  • -
    authors own >50% of commits
  • 222
    Watchers

Responsiveness

  • 5d 21h
    Median issue response
  • <1h
    Median PR merge time
  • 127
    Open issues
Repository files43 root entries
  • .github
    Good: CI is configured (.github/workflows/main-review-companion.yml).
    Good: Dependabot covers 2 ecosystems (npm, github-actions). Dependencies stay current.
    Good: Issue or PR templates present.
  • .vscode
  • build
  • components
  • hooks
  • l10n
  • legacy
  • public
  • scripts
  • symmetric-context
  • test
    Good: Test files detected (test).
  • types
  • utils
  • vendor
  • .editorconfig
    Good: Linter or formatter configured (.editorconfig).
  • .env-dist
  • .gitignore
    Good: .gitignore present.
  • .lefthook.yml
  • .npmignore
  • .npmrc
  • .nvmrc
    Good: Environment pinned via .nvmrc.
  • .prettierignore
  • .stylelintignore
  • build.sh
  • CHANGELOG.md
  • CODE_OF_CONDUCT.md
    Good: Code of conduct present.
  • CONTRIBUTING.md
    Good: Contributing guide is detailed and thorough.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Issue: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them.
    Good: Contributing guide explains how to run tests.
    Good: Contributing guide describes the PR/review workflow.
    Good: Contributing guide includes code examples.
  • entry.client.js
  • entry.inline.js
  • entry.ssr.js
  • eslint.config.js
  • LICENSE
    Good: Licensed under MPL-2.0.
  • package-lock.json
    Good: Lockfile present (package-lock.json). Installs are reproducible.
  • package.json
    Good: Dependency manifest found (package.json).
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Issue: No screenshots or images in the README (−20 pts).Fix: Add a GIF, screenshot, or logo image. It is the fastest way to show what your project does.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Issue: No status badges in the README (−10 pts).Fix: Add CI/build status badges from shields.io or your CI provider to signal project health.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • rspack.config.js
  • SECURITY.md
    Good: Security policy present.
  • server.js
  • stylelint.config.js
  • svgo.config.js
  • template.html
  • tsconfig.json
  • wdio.conf.js
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