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cloudflare-workers-dev-experience

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.

65

Quality

77%

Does it follow best practices?

Impact

No eval scenarios have been run

SecuritybySnyk

Passed

No known issues

Fix and improve this skill with Tessl

tessl review fix ./plugins/cloudflare-workers/skills/cloudflare-workers-dev-experience/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

64%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This is a solid, actionable skill with excellent concrete examples and configuration templates that Claude can use directly. Its main weaknesses are moderate verbosity (some sections like secure installation and basic logging patterns are tangential or unnecessary), missing validation checkpoints in the workflow, and references to bundle files that don't exist. Trimming the inline content and providing the referenced files would significantly improve it.

Suggestions

Remove or significantly trim the 'Secure Installation' section—it's tangential to Cloudflare Workers local dev and belongs in the referenced dependency-upgrade skill instead.

Add an explicit validation workflow: e.g., '1. Generate types: wrangler types → 2. Type-check: tsc --noEmit → 3. Start dev: wrangler dev → 4. Verify bindings work by hitting localhost:8787'.

Move the full tsconfig.json, package.json scripts, and VS Code launch.json into bundle template files and reference them from the skill body to reduce inline bulk.

Provide the referenced bundle files (references/local-development.md, references/wrangler-config.md, templates/, scripts/) or remove the references to avoid pointing to non-existent resources.

DimensionReasoningScore

Conciseness

The skill is mostly efficient but includes some unnecessary content. The 'Secure Installation' section with supply chain security advice is tangential to the core skill of Cloudflare Workers local dev. The package.json scripts section is largely boilerplate Claude could generate. The development-only logging example explains a trivial pattern. However, the wrangler.jsonc config and error table are high-value.

2 / 3

Actionability

The skill provides fully executable, copy-paste ready code throughout: complete wrangler.jsonc, tsconfig.json, package.json scripts, bash commands, VS Code launch config, and TypeScript examples. Every section contains concrete, runnable artifacts rather than abstract descriptions.

3 / 3

Workflow Clarity

The quick start provides a clear sequence for project creation, and the error prevention table is valuable. However, there's no explicit validation workflow (e.g., 'run wrangler types, then type-check, then dev'). The 'Critical Rules' are listed but not sequenced into a workflow with checkpoints. For a setup-oriented skill involving configuration that can fail silently, explicit validation steps would improve reliability.

2 / 3

Progressive Disclosure

The skill references external files (references/local-development.md, references/wrangler-config.md, templates/, scripts/) with a clear 'When to Load References' section, which is good structure. However, no bundle files are provided, so these references point to non-existent files. The main content also includes substantial inline detail (full tsconfig, full package.json scripts, full VS Code config) that could be split into referenced files, making the overview leaner.

2 / 3

Total

9

/

12

Passed

Description

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 distinctiveness. It effectively communicates both what the skill covers and when to use it. The main weakness is that the 'what' portion reads as a topic list rather than listing specific concrete actions the skill performs.

Suggestions

Expand the capabilities into concrete actions, e.g., 'Sets up Cloudflare Workers projects, configures wrangler.jsonc, troubleshoots Miniflare binding simulation, and resolves hot reload/HMR issues' instead of listing topics.

DimensionReasoningScore

Specificity

Names the domain (Cloudflare Workers local development) and mentions several relevant tools/concepts (Wrangler, Miniflare, hot reload, debugging), but doesn't list specific concrete actions—it reads more like a topic list than a set of actionable capabilities.

2 / 3

Completeness

Clearly answers both 'what' (Cloudflare Workers local development with Wrangler, Miniflare, hot reload, debugging) and 'when' ('Use for project setup, wrangler.jsonc configuration, or encountering local dev, HMR, binding simulation errors') with explicit trigger scenarios.

3 / 3

Trigger Term Quality

Includes strong natural keywords users would actually say: 'Wrangler', 'Miniflare', 'hot reload', 'HMR', 'wrangler.jsonc', 'local dev', 'binding simulation', 'Cloudflare Workers'. Good coverage of both formal and colloquial terms.

3 / 3

Distinctiveness Conflict Risk

Highly distinctive with a clear niche—Cloudflare Workers local development is specific enough to avoid conflicts with general web development, deployment, or other cloud platform skills. The mention of Wrangler, Miniflare, and wrangler.jsonc makes it unmistakable.

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.

Validation11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository
secondsky/claude-skills
Reviewed

Table of Contents

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