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ruff

astral-sh/claude-code-plugins
SkillDoes not loadBroken frontmatter

ruff scores 48 out of 100, grade C. It does not load: The YAML block at the top of the file does not parse, so Claude Code cannot register this at all.

npx skills add astral-sh/claude-code-plugins/ruffSource on GitHubClaim this listing

Works

40% of the score

45/100

  • Frontmatter does not parse: unparseable line 3: Guide for using ruff, the extremely fast Python linter and f.

Does it parse, does it declare a name and a description, does it reference files that are actually there. A failure here is what sets the will-not-load verdict.

Maintained

25% of the score

32/100

  • no push in 197 days

Days since the last commit on the repository that publishes it, on a steep curve, and whether that repository has been archived.

Adopted

20% of the score

53/100

  • 1,943 installs on skills.sh.
  • 308 stars on the source repo.

Install counts from the skills.sh registry where they exist; repository stars and 30-day star velocity where they do not.

Documented

15% of the score

74/100

  • 576 words with worked examples.

Length of the instructions, worked examples, bundled scripts and references, which is how much a model actually has to go on.

What the check found

1 finding
Broken frontmatter

Stops it loading. The YAML block at the top of the file does not parse, so Claude Code cannot register this at all.

Also in astral-sh/claude-code-plugins2 more from this repository in the capture, highest score first.
Works40%

45/100

  • Frontmatter does not parse: unparseable line 3: Guide for using uv, the Python package and project manager. .
Maintained25%

32/100

  • no push in 197 days
Adopted20%

56/100

  • 3,190 installs on skills.sh.
  • 308 stars on the source repo.
Documented15%

74/100

  • 573 words with worked examples.

45 × 0.40 = 18.0+ 32 × 0.25 = 8.0+ 56 × 0.20 = 11.2+ 74 × 0.15 = 11.1= 48.3, which rounds to 0, the score the index stores

Does not load. The YAML block at the top of the file does not parse, so Claude Code cannot register this at all.

npx skills add astral-sh/claude-code-plugins/uvOpen the listingSource
Works40%

45/100

  • Frontmatter does not parse: unparseable line 3: Guide for using ty, the extremely fast Python type checker a.
Maintained25%

32/100

  • no push in 197 days
Adopted20%

53/100

  • 1,627 installs on skills.sh.
  • 308 stars on the source repo.
Documented15%

74/100

  • 411 words with worked examples.

45 × 0.40 = 18.0+ 32 × 0.25 = 8.0+ 53 × 0.20 = 10.6+ 74 × 0.15 = 11.1= 47.7, which rounds to 0, the score the index stores

Does not load. The YAML block at the top of the file does not parse, so Claude Code cannot register this at all.

npx skills add astral-sh/claude-code-plugins/tyOpen the listingSource