Nuxt 4 production optimization: hydration, performance, testing with Vitest, deployment to Cloudflare/Vercel/Netlify, and v4 migration. Use when: debugging hydration mismatches, optimizing performance and Core Web Vitals, writing tests with Vitest, deploying to Cloudflare Pages/Workers/Vercel/Netlify, or migrating from Nuxt 3 to Nuxt 4. Keywords: hydration, hydration mismatch, ClientOnly, SSR, performance, lazy loading, lazy hydration, Vitest, testing, deployment, Cloudflare Pages, Cloudflare Workers, Vercel, Netlify, NuxtHub, migration, Nuxt 3 to Nuxt 4
98
100%
Does it follow best practices?
Impact
100%
1.42xAverage score across 3 eval scenarios
Passed
No known issues
Quality
Discovery
100%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is an excellent skill description that clearly defines its scope around Nuxt 4 production optimization. It provides comprehensive trigger terms, explicit 'Use when' guidance with specific scenarios, and maintains clear distinctiveness through framework version specificity and named deployment platforms. The Keywords section adds valuable redundancy for skill selection.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: hydration debugging, performance optimization, testing with Vitest, deployment to specific platforms (Cloudflare/Vercel/Netlify), and v4 migration. Uses third person voice appropriately. | 3 / 3 |
Completeness | Clearly answers both what (production optimization covering hydration, performance, testing, deployment, migration) and when (explicit 'Use when:' clause with specific scenarios like debugging hydration mismatches, optimizing Core Web Vitals, writing tests, deploying to specific platforms). | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural terms users would say including 'hydration mismatch', 'Core Web Vitals', 'lazy loading', specific platform names, and version-specific terms like 'Nuxt 3 to Nuxt 4'. The explicit Keywords section provides comprehensive trigger coverage. | 3 / 3 |
Distinctiveness Conflict Risk | Highly distinctive with clear niche: Nuxt 4 specifically, production-focused concerns, and explicit platform targets. The combination of framework version, optimization focus, and specific deployment targets makes it unlikely to conflict with general Vue or other framework skills. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
100%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is an exemplary skill file that efficiently covers production concerns for Nuxt 4. It excels at providing concrete, executable code examples while maintaining excellent organization through tables, clear sections, and well-signaled references to deeper documentation. The content respects Claude's intelligence by avoiding explanations of basic concepts.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is lean and efficient, presenting code examples and tables without unnecessary explanation. It assumes Claude knows what Nuxt, hydration, and SSR are, jumping straight to actionable patterns. | 3 / 3 |
Actionability | Provides fully executable code examples throughout - from hydration fixes to Vitest setup to deployment configs. All code is copy-paste ready with real imports and complete syntax. | 3 / 3 |
Workflow Clarity | The migration section provides clear numbered steps with explicit actions. The troubleshooting section provides clear diagnostic paths. Tables clearly map causes to fixes for hydration issues. | 3 / 3 |
Progressive Disclosure | Excellent structure with a clear 'When to Load References' section pointing to one-level-deep reference files. Main content provides quick-start patterns while signaling where to find detailed guides. | 3 / 3 |
Total | 12 / 12 Passed |
Validation
81%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 9 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
skill_md_line_count | SKILL.md is long (653 lines); consider splitting into references/ and linking | Warning |
metadata_field | 'metadata' should map string keys to string values | Warning |
Total | 9 / 11 Passed | |
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Table of Contents
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