Workers Best Practices

Reviews and authors Cloudflare Workers code against production best practices and runtime constraints.

Your knowledge of Cloudflare Workers APIs, types, and configuration may be outdated. Prefer retrieval over pre-training for any Workers code task — writing or reviewing.

When to Use

• writing new Cloudflare Workers or refactoring edge handlers
• reviewing Workers code for production readiness and performance
• eliminating async floating promises, global state leaks, or secret violations
• enforcing dual-flag observability and streaming payload architectures
• generating and validating canonical Workers TypeScript bindings

Core Rules