Content
57%Scale 1-3Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a well-organized opinionated standards document with good progressive disclosure via sub-skills and clear architectural rules. Its main weaknesses are moderate verbosity (the BFRI system, persona framing, and status sections add bulk without proportional value) and incomplete actionability — key abstractions like BaseController and asyncErrorWrapper are referenced but never fully defined in the main file. The workflow for applying these standards to actual development tasks could be more explicit.
Suggestions
Provide a complete, executable BaseController implementation (or explicitly reference which sub-skill contains it) since it's the central pattern controllers must extend.
Trim or move the BFRI section to a sub-skill — it's a heavyweight assessment framework that adds significant length to what should be a concise overview.
Add a concrete end-to-end workflow example: 'To add a new endpoint, do steps 1-7 in order' with validation checkpoints between steps.
Remove the persona framing ('You are a senior backend engineer') and status section — these consume tokens without adding actionable guidance.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is reasonably structured but includes some unnecessary framing (e.g., 'You are a senior backend engineer', the BFRI scoring system which is novel but verbose, 'Skill Status' section, and explanatory text Claude doesn't need like 'No validation = bug'). The core architectural rules are fairly lean with good use of ❌/✅ patterns, but overall could be tightened by ~30%. | 2 / 3 |
Actionability | Provides concrete code examples for key patterns (BaseController, routes, Zod validation, DI, asyncErrorWrapper) which is good. However, many examples are incomplete snippets rather than fully executable code — the BaseController itself is never defined, asyncErrorWrapper is referenced but not shown, and the testing example is a skeleton with no actual assertion logic. Several sections are declarative rules rather than executable guidance. | 2 / 3 |
Workflow Clarity | The validation checklist at the end provides a good summary checkpoint, and the layered architecture flow is clearly sequenced. However, there's no explicit workflow for creating a new feature end-to-end (e.g., 'first create the schema, then the repository, then the service...'), and the BFRI assessment process lacks a concrete example walkthrough. The checklist is present but there are no feedback loops or error recovery steps. | 2 / 3 |
Progressive Disclosure | Excellent structure: the main SKILL.md serves as a clear overview of all architectural rules with concise examples, then points to 11 well-named sub-skills for deeper dives (architecture-overview, async-and-errors, complete-examples, etc.). References are one level deep and clearly signaled. The content appropriately splits overview from detail. | 3 / 3 |
Total | 9 / 12 Passed |