Cloudflare Workers local development with Wrangler, Miniflare, hot reload, debugging. Use for project setup, wrangler.jsonc configuration, or encountering local dev, HMR, binding simulation errors.
Install with Tessl CLI
npx tessl i github:secondsky/claude-skills --skill workers-dev-experienceOverall
score
89%
Does it follow best practices?
If you maintain this skill, you can automatically optimize it using the tessl CLI to improve its score:
npx tessl skill review --optimize ./path/to/skillValidation for skill structure
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 solid skill description with excellent trigger term coverage and clear 'when to use' guidance. The main weakness is that capabilities are listed as nouns/concepts rather than concrete actions. The Cloudflare-specific terminology makes it highly distinctive and unlikely to conflict with other skills.
Suggestions
Convert capability nouns to action verbs (e.g., 'Configure wrangler.jsonc, simulate bindings locally, debug with Miniflare, enable hot reload') to improve specificity
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (Cloudflare Workers) and lists relevant tools/concepts (Wrangler, Miniflare, hot reload, debugging), but doesn't describe concrete actions like 'configure bindings' or 'set up dev server'. The actions are implied rather than explicitly stated. | 2 / 3 |
Completeness | Clearly answers both what (Cloudflare Workers local development with specific tools) and when ('Use for project setup, wrangler.jsonc configuration, or encountering local dev, HMR, binding simulation errors'). Has explicit 'Use for' clause with trigger scenarios. | 3 / 3 |
Trigger Term Quality | Includes strong natural keywords users would say: 'Wrangler', 'Miniflare', 'hot reload', 'HMR', 'wrangler.jsonc', 'local dev', 'binding simulation errors'. Good coverage of both tool names and common problem terms. | 3 / 3 |
Distinctiveness Conflict Risk | Highly distinctive with Cloudflare-specific terminology (Wrangler, Miniflare, wrangler.jsonc, binding simulation). Unlikely to conflict with generic web development or other cloud platform skills due to specific tool references. | 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 high-quality skill with excellent conciseness and actionability. The content provides comprehensive, executable guidance for Cloudflare Workers local development with well-organized progressive disclosure. The main weakness is the lack of explicit validation steps in the workflow - users could benefit from checkpoints to verify their setup is working correctly before moving to the next step.
Suggestions
Add a validation checkpoint after Quick Start (e.g., 'Verify: curl localhost:8787 should return your worker response')
Include a troubleshooting workflow with explicit 'if X fails, check Y, then retry' feedback loops for the common errors listed in the table
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is lean and efficient, providing only essential information without explaining concepts Claude already knows. Every section serves a clear purpose with no padding or unnecessary context about what Cloudflare Workers are. | 3 / 3 |
Actionability | Provides fully executable, copy-paste ready code throughout - bash commands, complete JSON configurations, TypeScript examples, and VS Code launch configs. The error prevention table gives specific solutions, not vague guidance. | 3 / 3 |
Workflow Clarity | While individual commands and configurations are clear, the overall workflow lacks explicit validation checkpoints. For example, after setting up wrangler.jsonc or tsconfig.json, there's no 'verify your setup works' step before proceeding. | 2 / 3 |
Progressive Disclosure | Excellent structure with a quick start, essential config, then progressively detailed sections. Clear references to external files (references/, templates/, scripts/) with specific guidance on when to load each. | 3 / 3 |
Total | 11 / 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 |
|---|---|---|
description_trigger_hint | Description may be missing an explicit 'when to use' trigger hint (e.g., 'Use when...') | Warning |
metadata_version | 'metadata' field is not a dictionary | Warning |
license_field | 'license' field is missing | Warning |
Total | 13 / 16 Passed | |
Table of Contents
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.