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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.

89

0.98x
Quality

88%

Does it follow best practices?

Impact

85%

0.98x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

SKILL.md
Quality
Evals
Security

Evaluation results

81%

12%

Scaffold a Cloudflare Workers API for a Fintech Startup

New project scaffolding and configuration

Criteria
Without context
With context

Uses bun/bunx toolchain

80%

70%

wrangler.jsonc format

100%

100%

$schema field

0%

100%

moduleResolution bundler

100%

100%

workers-types in tsconfig

100%

100%

ES2022 targets

100%

100%

Hono framework used

100%

0%

Observability config

0%

0%

nodejs_compat flag

100%

100%

Dev port 8787

100%

100%

types and tail scripts

0%

100%

check script present

50%

100%

76%

-14%

Add Storage Bindings to a Cloudflare Worker for a Social Platform

Binding simulation and local dev secrets

Criteria
Without context
With context

KV preview_id present

100%

100%

R2 preview_bucket_name present

100%

100%

D1 migration local flag

100%

100%

vitest-pool-workers package

100%

100%

defineWorkersConfig in vitest

100%

0%

vitest wrangler.jsonc path

100%

100%

Secrets in .dev.vars

100%

100%

dev:persist script

0%

0%

100%

Set Up Debugging and Monitoring for a Cloudflare Worker

Debugging and logging infrastructure

Criteria
Without context
With context

Conditional dev logging

100%

100%

wrangler tail in scripts

100%

100%

wrangler tail filtering

100%

100%

Inspector port 9229

100%

100%

sourceMaps in launch config

100%

100%

CORS middleware

100%

100%

wrangler types script

100%

100%

Structured JSON logging

100%

100%

Repository
secondsky/claude-skills
Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

Table of Contents

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