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Bun Cloudflare Workers

secondsky/claude-skills

This walks you through building and deploying Cloudflare Workers using Bun as your runtime and development tool. You get the full stack: routing with Hono, KV and D1 database bindings, Durable Objects for stateful coordination, R2 for object storage, and scheduled cron jobs. The guide opens with solid security practices around scaffolding tools, which is refreshing to see upfront. Testing examples use both Bun's native test runner and Miniflare for local simulation. If you're already using Bun and want to deploy edge functions without switching contexts, this covers the wrangler workflow and all the Cloudflare primitives you'll actually reach for in production.

skills.sh installs
338
GitHub stars
248
last updated
Aug 21, 2026
View on GitHub

Install

$ npx -y skills add secondsky/claude-skills --skill bun-cloudflare-workers --agent claude-code

Installs into .claude/skills of the current project.

Files

Bun Cloudflare Workers

Build and deploy Cloudflare Workers using Bun for development.

Quick Start

# Create new Workers project
bunx create-cloudflare my-worker
cd my-worker

# Install dependencies
bun install

# Development
bun run dev

# Deploy
bun run deploy

Secure Installation

Scaffolding tools like bunx create-cloudflare download and execute remote code. Before running, follow supply chain security best practices:

  • Block post-install scripts — Bun disables them by default; allow specific packages via trustedDependencies in package.json
  • Cooldown period — Configure minimumReleaseAge in bunfig.toml to wait 7 days for new versions
  • Audit before installing — Run socket package score npm <pkg> or use socket npm install <pkg> to check packages

Load the dependency-upgrade skill for full security configuration including Socket CLI integration, cooldown setup, lockfile validation, and CI enforcement.

Project Setup

package.json

SKILL.md on GitHub

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Details

Repository
github.com/secondsky/claude-skills
Categories
Backend & APIs, Cloud & Infrastructure
First seen
Jun 3, 2026

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