Cloudflare Workers #

STOP. Your knowledge of Cloudflare Workers APIs and limits may be outdated. Always retrieve current documentation before any Workers, KV, R2, D1, Durable Objects, Queues, Vectorize, AI, or Agents SDK task.

Docs #

• https://developers.cloudflare.com/workers/
• MCP: https://docs.mcp.cloudflare.com/mcp

For all limits and quotas, retrieve from the product's /platform/limits/ page. eg. /workers/platform/limits

Commands #

Command	Purpose
npx wrangler dev	Local development
npx wrangler deploy	Deploy to Cloudflare
npx wrangler types	Generate TypeScript types

Run wrangler types after changing bindings in wrangler.jsonc.

Node.js Compatibility #

https://developers.cloudflare.com/workers/runtime-apis/nodejs/

Errors #

• Error 1102 (CPU/Memory exceeded): Retrieve limits from /workers/platform/limits/
• All errors: https://developers.cloudflare.com/workers/observability/errors/

Product Docs #

Retrieve API references and limits from: /kv/ · /r2/ · /d1/ · /durable-objects/ · /queues/ · /vectorize/ · /workers-ai/ · /agents/

Best Practices (conditional) #

If the application uses Durable Objects or Workflows, refer to the relevant best practices:

• Durable Objects: https://developers.cloudflare.com/durable-objects/best-practices/rules-of-durable-objects/
• Workflows: https://developers.cloudflare.com/workflows/build/rules-of-workflows/