Works
40% of the score45/100
- Frontmatter does not parse: unparseable line 3: Guide for using ty, the extremely fast Python type checker a.
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 score32/100
- 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Days since the last commit on the repository that publishes it, on a steep curve, and whether that repository has been archived.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 score53/100
- 1,627 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 score74/100
- 411 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 findingStops it loading. The YAML block at the top of the file does not parse. A subagent with this does not register at all. A skill still registers, under its directory name, with every frontmatter field dropped, so nothing tells Claude when to use it.
45/100
- Frontmatter does not parse: unparseable line 3: Guide for using uv, the Python package and project manager. .
32/100
- no push in 197 days
56/100
- 3,190 installs on skills.sh.
- 308 stars on the source repo.
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
Does not load. The YAML block at the top of the file does not parse. A subagent with this does not register at all. A skill still registers, under its directory name, with every frontmatter field dropped, so nothing tells Claude when to use it.
45/100
- Frontmatter does not parse: unparseable line 3: Guide for using ruff, the extremely fast Python linter and f.
32/100
- no push in 197 days
53/100
- 1,943 installs on skills.sh.
- 308 stars on the source repo.
74/100
- 576 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
Does not load. The YAML block at the top of the file does not parse. A subagent with this does not register at all. A skill still registers, under its directory name, with every frontmatter field dropped, so nothing tells Claude when to use it.