workers-performance
Cloudflare Workers performance optimization with CPU, memory, caching, bundle size. Use for slow workers, high latency, cold starts, or encountering CPU limits, memory issues, timeout errors.
87
88%
Does it follow best practices?
Impact
75%
1.31xAverage score across 3 eval scenarios
Passed
No known issues
Quality
Discovery
89%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 a strong skill description with excellent trigger terms and completeness. The main weakness is that it lists optimization categories rather than specific actions Claude can perform. The description effectively communicates when to use the skill through problem-oriented language that matches how developers describe performance issues.
Suggestions
Replace category nouns with action verbs to improve specificity, e.g., 'Analyzes CPU usage, reduces bundle size, implements caching strategies, optimizes memory allocation for Cloudflare Workers'
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (Cloudflare Workers performance optimization) and lists categories of optimization (CPU, memory, caching, bundle size), but doesn't describe concrete actions like 'analyze CPU usage', 'reduce bundle size', or 'implement caching strategies'. | 2 / 3 |
Completeness | Clearly answers both what (Cloudflare Workers performance optimization with CPU, memory, caching, bundle size) and when (Use for slow workers, high latency, cold starts, or encountering CPU limits, memory issues, timeout errors) with explicit trigger conditions. | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural terms users would say: 'slow workers', 'high latency', 'cold starts', 'CPU limits', 'memory issues', 'timeout errors' - these are exactly the phrases developers use when experiencing performance problems. | 3 / 3 |
Distinctiveness Conflict Risk | Highly distinctive with clear niche - specifically targets Cloudflare Workers performance issues with unique trigger terms like 'cold starts', 'CPU limits', and 'timeout errors' that wouldn't overlap with general coding or other cloud platform skills. | 3 / 3 |
Total | 11 / 12 Passed |
Implementation
87%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a well-crafted performance optimization skill with excellent code examples and efficient organization. The content assumes Claude's competence and provides immediately actionable patterns. The main weakness is the lack of explicit validation workflows - there's no guidance on how to verify that optimizations actually improved performance or stayed within limits.
Suggestions
Add a validation workflow showing how to measure before/after performance (e.g., 'Run benchmark.sh before and after changes, verify CPU time dropped below limit')
Include explicit checkpoints in the CPU optimization section showing how to verify you're under the 10ms/30ms/50ms limits after applying fixes
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is lean and efficient, providing direct code examples without explaining basic concepts Claude already knows. Every section delivers actionable information without padding or unnecessary context. | 3 / 3 |
Actionability | Provides fully executable TypeScript code examples throughout, with clear bad/good comparisons. Code is copy-paste ready with specific patterns for streaming, caching, batch processing, and profiling. | 3 / 3 |
Workflow Clarity | While individual techniques are clear, the skill lacks explicit validation checkpoints or feedback loops for optimization workflows. The 'Top 10 Performance Errors' table provides symptoms and fixes but no verification steps to confirm fixes worked. | 2 / 3 |
Progressive Disclosure | Excellent structure with a quick wins section upfront, detailed sections for specific concerns, and clear references to external files (references/, templates/, scripts/) with explicit guidance on when to load each. | 3 / 3 |
Total | 11 / 12 Passed |
Validation
100%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 11 / 11 Passed
Validation for skill structure
No warnings or errors.
- Repository
- secondsky/claude-skills
- Commit
90d6bd7
- Reviewed
Table of Contents
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