0

/ 100

GradeF

Popular for its size, but the engineering basics lag behind the interest.

Higher than 42% of 5,156 graded repos

The window management library for the Cinnamon desktop (libmuffin) and its sample WM binary (muffin)

A low grade is a to-do list, not a judgment of your code

Most gaps here are documentation, tests, and setup, not the code itself. Closing your top 3 gaps alone would lift this repo to C (74).

See your top fixes
Now
F
58
Potential
C
74

Top fixes

Highest-impact changes first, ranked by point weight

18 to address
  1. 1
    Tests18pt

    Wire your tests to a documented command (e.g. a test script in your build config) so the suite is reproducible.

  2. 2
    CI/CD14pt

    Add a step like `run: npm test`, `run: pytest`, or `run: tox` to your workflow file.

  3. 3
    CI/CD14pt

    Add a lint step to catch style issues automatically.

  4. 4
    CI/CD14pt

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

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

53

Contributing guide5pt25

Contributing guidance is in the README, not a dedicated CONTRIBUTING.md (−20 pts).

Moving it to a CONTRIBUTING.md makes it easier to find and keeps the README focused. A dedicated file earns +47 pts base.

Install and run instructions9pt45

No install instructions found in the README (−45 pts).

Add a section showing how to install dependencies.

README12pt48

README is present.

License6pt100

Licensed under GPL-2.0.

Engineering

58

Linting and formatting5pt0

No linter or formatter config found.

Add a linter config such as .eslintrc.json, .prettierrc, ruff.toml, or .golangci.yml to enforce consistent code style.

Reproducibility6pt0

No dependency lockfile found (−70 pts).

Commit the lockfile for this project's package manager so installs produce the same dependency versions everywhere.

CI/CD14pt57

CI is configured (.github/workflows/build.yml).

Tests18pt80

Test files detected (cogl/tests).

Issue and PR templates6pt100

Issue or PR templates present.

Project health

68

Dependency manifest6pt0

No dependency manifest detected at root.

Add a manifest (package.json, pyproject.toml, Cargo.toml, go.mod, etc.) so others can install dependencies in one command.

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)
  • 122
    Forks
  • 10
    Releaseslatest 1mo ago

Community

  • -
    Community health
  • -
    authors own >50% of commits
  • 240
    Watchers

Responsiveness

  • 4d 8h
    Median issue response
  • 15d 20h
    Median PR merge time
  • 53
    Open issues
Repository files19 root entries
  • .github
    Good: CI is configured (.github/workflows/build.yml).
    Good: Issue or PR templates present.
  • clutter
  • cogl
    Good: Test files detected (cogl/tests).
  • data
  • debian
  • doc
  • meson
  • po
  • src
  • test-scripts
  • tools
  • .gitignore
    Good: .gitignore present.
  • config.h.meson
  • COPYING
  • meson_options.txt
  • meson.build
  • mutter.doap
  • NEWS
  • README.md
    Good: README is present.
    Issue: README has some structure (−7 pts). 2-3 headings earns partial credit; 4+ earns the full +15 pts.Fix: Add more sections (Overview, Install, Usage, Contributing) using ## headings.
    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.
    Issue: README has no code examples (−15 pts).Fix: Show a quick-start snippet so contributors can see what using your project looks like.
    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.
    Issue: No install instructions found in the README (−45 pts).Fix: Add a section showing how to install dependencies.
    Good: README documents how to run the project.
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