Content
92%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
A strong, executable, well-organized testing skill with concise writing and a clear run/parse/CI feedback loop. Its one weakness is monolithic inline detail that, per progressive-disclosure guidance, could be split into reference bundle files to keep SKILL.md an overview.
Suggestions
Move the detailed PURGE / grace-mode / surrogate-key worked examples into separate reference files under references/ (e.g. PURGE-PATTERNS.md, GRACE-MODE.md) and have SKILL.md summarize each in 1–2 lines with a clearly signaled link, keeping the main file a lean overview.
Add a one-line 'what good output looks like' checkpoint in the Running section tying exit code + the 'TEST ... passed' line together as an explicit validation step before CI promotion.
Reconcile the description's mention of 'saint-mode' with the body, which only demonstrates grace mode — either add a brief saint-mode note or drop it from the description to avoid an unstated capability.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Lean, domain-specific writing with tight tables and code blocks; assumes Claude's competence and avoids explaining generic concepts like caching basics. Inline comments are minimal and load-bearing, not padding. | 3 / 3 |
Actionability | Provides fully executable guidance: install commands, complete VTC/VCL examples, run flags ('varnishtest -v', '-j 4', '-vvv'), CI YAML, and concrete pass/fail parsing — all copy-paste ready. | 3 / 3 |
Workflow Clarity | Clear run→parse→CI sequence with inherent feedback (exit code 0/non-zero, 'passed'/'FAILED' output showing the failing expect line) and a troubleshooting anti-patterns table; the testing use case carries its own validate-fix-retry loop. | 3 / 3 |
Progressive Disclosure | Well-sectioned and navigable, but the file is monolithic: ~276 lines of dense VTC/VCL reference detail inline rather than a thinner overview pointing to one-level-deep bundle files, and the 'References' list points to external docs/named companion skills rather than navigable bundle files. | 2 / 3 |
Total | 11 / 12 Passed |