Content
77%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
A lean, code-heavy reference that is well organized and assumes competence, but it is undermined by an incorrect 'Running Tests' section (Bun CLI instead of Vitest) and a monolithic structure with no progressive disclosure into bundle files.
Suggestions
Replace the `bun test ...` commands in 'Running Tests' with the actual Vitest CLI (`npx vitest`, `vitest --watch`, `vitest run`, `vitest --coverage`, `vitest -t 'pattern'`, `vitest --ui`) so the operational guidance matches the tool.
Split the assertions and mocking sections into referenced bundle files (e.g. ASSERTIONS.md, MOCKING.md) with one-line pointers from SKILL.md to reduce the monolithic body and add progressive disclosure.
Trim the marketing intro ('blazingly fast testing framework powered by Vite') and self-evident code comments to tighten token efficiency further.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The body is mostly executable code with minimal prose and assumes Claude's competence; the only padding is a one-line marketing intro ('blazingly fast testing framework powered by Vite') and a few self-evident code comments. | 3 / 3 |
Actionability | Config, test-writing, assertion, mocking, and timer examples are concrete and copy-paste ready, but the central 'Running Tests' section uses `bun test ...` commands — Bun's runner, not Vitest's `vitest` CLI — so the primary operational guidance is incorrect for the tool. | 2 / 3 |
Workflow Clarity | A well-organized reference skill with clearly labeled sections (Quick Start, Running Tests, Writing Tests, Mocking, Coverage, Best Practices); as a single-purpose reference with no destructive/batch operations, its clear organization satisfies workflow clarity. | 3 / 3 |
Progressive Disclosure | No bundle files exist and all content is inline in a ~230-line monolithic SKILL.md; sections are well organized, but material such as the assertions and mocking references could be split into separate files and there are no one-level-deep reference pointers. | 2 / 3 |
Total | 10 / 12 Passed |