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.
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Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
