Skillintermediate

C3 CLI Reference

```bash npm create cloudflare@latest [name] [-- flags] # NPM requires -- yarn create cloudflare [name] [flags] pnpm create cloudflare@latest [name] [-- flags] ```

Claude Code Knowledge Pack7/10/2026

Overview

C3 CLI Reference

Invocation

npm create cloudflare@latest [name] [-- flags]  # NPM requires --
yarn create cloudflare [name] [flags]
pnpm create cloudflare@latest [name] [-- flags]

Core Flags

Flag	Values	Description
`--type`	`hello-world`, `web-app`, `demo`, `pre-existing`, `remote-template`	Application type
`--platform`	`workers` (default), `pages`	Target platform
`--framework`	`next`, `remix`, `astro`, `react-router`, `solid`, `svelte`, `qwik`, `vue`, `angular`, `hono`	Web framework (requires `--type=web-app`)
`--lang`	`ts`, `js`, `python`	Language (for `--type=hello-world`)
`--ts` / `--no-ts`	-	TypeScript for web apps

Deployment Flags

Flag	Description
`--deploy` / `--no-deploy`	Deploy immediately (prompts interactive, skips in CI)
`--git` / `--no-git`	Initialize git (default: yes)
`--open`	Open browser after deploy

Advanced Flags

Flag	Description
`--template=user/repo`	GitHub template or local path
`--existing-script=./src/worker.ts`	Existing script (requires `--type=pre-existing`)
`--category=ai\	database\
`--experimental`	Enable experimental features
`--wrangler-defaults`	Skip wrangler prompts

Environment Variables

CLOUDFLARE_API_TOKEN=xxx    # For deployment
CLOUDFLARE_ACCOUNT_ID=xxx   # Account ID
CF_TELEMETRY_DISABLED=1     # Disable telemetry

Exit Codes

0 success, 1 user abort, 2 error

Examples

# TypeScript Worker
npm create cloudflare@latest my-api -- --type=hello-world --lang=ts --no-deploy

# Next.js on Pages
npm create cloudflare@latest my-app -- --type=web-app --framework=next --platform=pages --ts

# Astro blog
npm create cloudflare@latest my-blog -- --type=web-app --framework=astro --ts --deploy

# CI: non-interactive
npm create cloudflare@latest my-app -- --type=web-app --framework=next --ts --no-git --no-deploy

# GitHub template
npm create cloudflare@latest -- --template=cloudflare/templates/worker-openapi

# Convert existing project
npm create cloudflare@latest . -- --type=pre-existing --existing-script=./build/worker.js