Content
78%Weight 40%Scale 1-5Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
A well-architected index/router skill: the SKILL.md body stays concise, points to 24 real one-level-deep reference files with clear navigation, and includes a few concrete actionable rules (Global Rules, Video). Its main weaknesses are mild redundancy between the "When to Apply" and "Quick Reference" lists and the absence of inline executable code in the body itself.
Suggestions
Collapse the "When to Apply" bullet list or merge it with the Quick Reference to remove the topic-coverage triplication between the description, When to Apply, and Quick Reference.
Add one or two short inline code snippets (e.g. a minimal defineType schema or a GROQ defineQuery) in the body so the skill is actionable without immediately opening a reference file.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The body is lean and assumes Claude's competence (no basic-concept explanations), but the "When to Apply" list and "Quick Reference" largely restate the description's topic coverage, so not quite every token earns its place. | 4 / 5 |
Actionability | It gives concrete, specific guidance with real API names and packages (defineVideoField() from sanity/media-library, @mux/mux-player-react, "install sanity-plugin-mux-input") and crisp Global Rules, but the body is a router with no inline executable code blocks — those live in the references. | 4 / 5 |
Workflow Clarity | "How to Use" gives a clear selection instruction ("Start with the single framework or topic guide that best matches the request, then read additional references only when the task crosses concerns"), but it is a single routing step with no checkpoints; no validation is needed for this non-destructive router. | 4 / 5 |
Progressive Disclosure | Exemplary one-level-deep structure: a concise overview with a Quick Reference index of all 24 topic/integration guides, each mapped to a real file in references/ (verified — get-started, nextjs, groq, schema, etc. all exist), plus a How to Use navigation section. | 5 / 5 |
Total | 17 / 20 Passed |