Summary
A comprehensive reference for Bun as a runtime, package manager, bundler, and test runner. It covers the key decision of when to use Bun over Node (speed matters, new projects, Vercel deployments) and when to stick with Node (maximum compatibility, legacy tooling). You get practical migration notes like swapping `node` for `bun run` and `npm install` for `bun install`, plus Vercel-specific config. The examples show file handling, the built-in server API, and Jest-like testing. Most useful when you're actively adopting Bun or debugging why a Node project won't run under it. The lockfile note is important: current Bun uses text `bun.lock`, older versions used binary `bun.lockb`.
Install to Claude Code
npx -y skills add affaan-m/ecc --skill bun-runtime --agent claude-codeInstalls into .claude/skills of the current project.
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
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Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
