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Cloudflare Worker Builder

Scaffolds and deploys a production-ready Cloudflare Worker with Hono routing, Vite dev server, Static Assets, and D1/R2/KV bindings.

Dev & CodingIntermediate★ 1,034⑂ 105AI score 8/10Last updated: Sep 29, 2026

What it does

  • Turns a one-line project brief into a deployable Worker: npm create cloudflare scaffold plus Hono routing, the Cloudflare Vite plugin, and Static Assets with SPA fallback.
  • Configures wrangler.jsonc bindings for D1 (database), R2 (object storage), KV (cache) and Queues, with explicit resource names for Wrangler auto-provisioning.
  • Pre-empts the classic footguns: export default app vs export default { fetch: app.fetch }, SPA fallback swallowing /api/* routes without run_worker_first, and the missing main field the Vite plugin requires — each with a linked upstream issue.
  • Ships reference docs (common-issues.md, architecture.md, deployment.md) covering route priority, caching, Workers RPC, CI/CD and gradual rollouts.

Who it's for

  • Developers spinning up their first API or SPA+API app on Cloudflare Workers.
  • Anyone fighting broken deploys when putting Hono on Workers.
  • Teams who keep re-reading docs for D1/R2/KV binding syntax.

Examples

  1. "Build a todo app Worker with a database" → scaffold + d1_databases binding + Hono /api routes.
  2. "My deployed /api/todos returns index.html instead of JSON" → add assets.run_worker_first: ["/api/*"].
  3. "Add a nightly cron job" → switch to the explicit export with a scheduled handler.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/jezweb/claude-skills/HEAD/archive/plugins/cloudflare/skills/cloudflare-worker-builder/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the archive/plugins/cloudflare/skills/cloudflare-worker-builder folder from the GitHub repo jezweb/claude-skills into my ~/.claude/skills/jezweb-cloudflare-worker-builder/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/jezweb/claude-skills.git /tmp/claude-skills && mkdir -p ~/.claude/skills && cp -r /tmp/claude-skills/archive/plugins/cloudflare/skills/cloudflare-worker-builder ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Clone the repo: git clone https://github.com/jezweb/claude-skills.git /tmp/claude-skills
  2. Create the skills directory: mkdir -p ~/.claude/skills
  3. Copy the whole skill folder (keep assets/ and references/): cp -r /tmp/claude-skills/archive/plugins/cloudflare/skills/cloudflare-worker-builder ~/.claude/skills/
  4. Verify with ls ~/.claude/skills/cloudflare-worker-builder — you should see SKILL.md.
  5. Install prerequisites: Node.js 18+, then npm i -g wrangler and wrangler login (Wrangler 4.45+ recommended for auto-provisioning).
  6. Restart Claude Code and ask something like "scaffold a Cloudflare Worker API with Hono and D1" to trigger the skill.
View source on GitHub ↗License: MIT