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workers-best-practices

Review Cloudflare Workers code and wrangler configuration for best practices.

Updated Nov 18, 2025
Search Tags:#code review#security#cloudflare workers#observability#wrangler#bindings
One-click install
npx skills add https://github.com/cajias/claude-skills --skill workers-best-practices-cajias
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: workers-best-practices
Source: https://github.com/cajias/claude-skills/tree/main/plugins/integrations/skills/workers-best-practices
Command: npx skills add https://github.com/cajias/claude-skills --skill workers-best-practices-cajias

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you write and review Cloudflare Workers code with current best practices so you can avoid stale APIs, broken bindings, unsafe patterns, and misconfigured deployments.

Core Features & Use Cases

  • Code Review Guidance: Checks Worker handlers, bindings, and platform class usage for correctness and modern API patterns.
  • Configuration Validation: Verifies wrangler config settings such as compatibility dates, nodejs compatibility, observability, secrets, and binding consistency.
  • Anti-Pattern Detection: Flags common issues like floating promises, global mutable state, unbounded buffering, insecure randomness, and improper error handling.
  • Docs-First Workflow: Encourages retrieval from Cloudflare docs and latest type definitions before making judgments on Workers code.

Quick Start

Ask for a review of your Cloudflare Workers code or wrangler config and include the relevant files or diff.

Frequently Asked Questions about workers-best-practices

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I review Cloudflare Workers code for production best practices?▼

You can review Cloudflare Workers code by auditing handlers, bindings, and platform class usage against modern API patterns to ensure type correctness and production readiness.

What are common anti-patterns in Cloudflare Workers?▼

Common Cloudflare Workers anti-patterns include floating promises, global mutable state, unbounded buffering, insecure randomness, and improper error handling, which can break execution and cause security issues.

How do I validate wrangler configuration settings for Workers?▼

Validate wrangler configuration by checking compatibility dates, nodejs compatibility, observability settings, secrets, and binding consistency to prevent misconfigured deployments and runtime errors.

Does reviewing Workers code require fetching Cloudflare docs?▼

Reviewing Workers code requires fetching Cloudflare docs, workers types, and wrangler schema to accurately verify current APIs, signatures, and configuration fields without relying on stale information.

Why does my Cloudflare Worker have broken bindings?▼

Broken bindings in Cloudflare Workers often stem from misconfigured wrangler settings or outdated API usage, requiring validation of binding consistency and compatibility dates against current platform types.

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