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
Install with Tessl CLI
npx tessl i github:secondsky/claude-skills --skill nuxt-production98
Does it follow best practices?
Validation for skill structure
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 follows best practices. It provides specific capabilities, explicit trigger conditions with a 'Use when:' clause, comprehensive keywords covering natural user language, and a clear niche that distinguishes it from related skills. The structure with separate sections for description, use cases, and keywords maximizes discoverability.
| 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' with explicit 'Use when:' clause listing specific trigger scenarios. Also includes a Keywords section for additional discoverability. | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural terms users would say including 'hydration mismatch', 'Core Web Vitals', 'lazy loading', 'Vitest', 'Cloudflare Pages', 'Cloudflare Workers', 'Vercel', 'Netlify', and 'Nuxt 3 to Nuxt 4'. Includes both technical terms and common variations. | 3 / 3 |
Distinctiveness Conflict Risk | Highly distinctive with clear niche: Nuxt 4 specifically, production-focused concerns, and explicit platform targets. The combination of Nuxt 4 + production optimization + specific deployment platforms creates a unique fingerprint 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 actionable, copy-paste ready code while maintaining excellent organization through tables, clear sections, and well-signaled references to deeper documentation. The content respects Claude's intelligence by jumping straight into practical patterns without unnecessary explanation.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is lean and efficient, presenting information in tables, code blocks, and bullet points without explaining concepts Claude already knows. No unnecessary preamble about what Nuxt is or how frameworks work. | 3 / 3 |
Actionability | Provides fully executable code examples throughout - from Vitest setup to deployment commands to migration steps. Code is copy-paste ready with real file paths and complete configurations. | 3 / 3 |
Workflow Clarity | Multi-step processes like migration are clearly sequenced with numbered steps. The troubleshooting section provides clear diagnostic paths. Tables effectively map causes to fixes for hydration issues. | 3 / 3 |
Progressive Disclosure | Excellent structure with a clear 'When to Load References' section pointing to specific reference files for deeper topics. Main content stays focused on essentials while signaling where to find detailed information. | 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 — 13 / 16 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 |
body_steps | No step-by-step structure detected (no ordered list); consider adding a simple workflow | Warning |
Total | 13 / 16 Passed | |
Table of Contents
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