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 Your knowledge of Cloudflare Workers APIs and limits may be outdated.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.
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
If you encounter Dynamic require of "X" is not supported or missing Node.js APIs:
{
"compatibility_flags": ["nodejs_compat"],
"compatibility_date": "YYYY-MM-DD" // Use today's date
}
Docs: 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/