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 tight, well-structured instruction-only skill with an excellent conciseness-to-clarity ratio and a sensible workflow. The main weakness is actionability: the narrowing and rerun steps stay at the level of intent ('prefer the smallest likely failing target') without the concrete filter commands that would make them executable.
Suggestions
Add the concrete scope-narrowing commands next to step 2, e.g. 'xcodebuild test -scheme App -only-testing:AppTests/FileManagerTests' and 'swift test --filter FileManagerTests', so the smallest-scope instruction is executable as written.
Show one example focused-rerun invocation in step 4 (rerunning only the single failing test method) instead of only describing when focused reruns are appropriate.
Include a short example of the expected summary output (command used, failing scope, failure category, next step) under Output Expectations to make the deliverable concrete rather than a list of field names.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The ~49-line body is lean and directive with zero padding; it explains nothing Claude already knows and every line earns its place. This matches the 'lean and efficient; every token earns its place' anchor exactly. | 5 / 5 |
Actionability | It names the two concrete harness commands ('xcodebuild test', 'swift test') but omits key executable details: no filter flags for narrowing scope (e.g. '-only-testing:' or '--filter'), no example command for a focused rerun, and no sample classification output. This fits anchor 3 ('some concrete guidance but incomplete; missing key details') rather than 4, because the narrowing and rerun steps cannot be executed as written. | 3 / 5 |
Workflow Clarity | A clear five-step sequence (detect harness -> narrow scope -> classify result -> rerun -> summarize) with an enumerated failure taxonomy. Minor validation gaps (no explicit 'confirm the failure reproduces' checkpoint) keep it at 4 rather than 5; the destructive/batch cap does not apply since running tests is non-destructive. | 4 / 5 |
Progressive Disclosure | The skill is under 50 lines, has no bundle files, and needs none; its sections (Quick Start, Workflow, Guardrails, Output Expectations) are well organized and easy to navigate, matching the simple-skill guideline for a top progressive-disclosure score. | 5 / 5 |
Total | 17 / 20 Passed |