Bun

Run JavaScript and TypeScript scripts, tests, and builds with Bun.

Updated Apr 18, 2026

Search Tags:#typescript #testing #javascript #build #runtime #bun #package-management

Ready to run

npx skills add https://github.com/rattamnoon/our-third-story --skill bun-rattamnoon

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Bun
Source: https://github.com/rattamnoon/our-third-story/tree/main/.agents/skills/bun
Command: npx skills add https://github.com/rattamnoon/our-third-story --skill bun-rattamnoon

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Bun unifies a fast JavaScript runtime, package manager, test runner, and bundler into a single tool, reducing setup complexity and tool fragmentation for JS/TS projects.

Core Features & Use Cases

Run scripts and execute TypeScript/JavaScript without extra configuration
Install dependencies and manage packages faster than npm
Test and bundle apps with built-in tooling; create HTTP servers with Bun.serve()
Ideal for small to large projects, monorepos, or prototyping ideas with minimal boilerplate

Quick Start

Initialize a Bun project and start development by running the dev script.

Frequently Asked Questions about Bun

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I run JavaScript and TypeScript code without extra configuration?▼

You can run JavaScript and TypeScript code without extra configuration by using a unified runtime that natively supports both languages. This tool executes scripts directly, eliminating the need for transpilation setup.

What is the best way to manage packages faster than npm in a monorepo?▼

The best way to manage packages faster than npm in a monorepo is using a unified package manager. It handles dependency installation across multiple project packages with improved speed and a dedicated lockfile.

Can I test and bundle web apps using a single tool?▼

Yes, you can test and bundle web apps using a single tool. This tool integrates a built-in test runner and bundler, allowing you to validate and compile applications without installing extra developer dependencies.

Does this JavaScript runtime support creating HTTP servers?▼

Yes, this JavaScript runtime supports creating HTTP servers. You can use the built-in serve command to start HTTP servers for your web applications directly from the runtime environment.

How do I initialize a Bun project for rapid prototyping?▼

To initialize a Bun project for rapid prototyping, use the built-in initialization command to generate the required configuration artifacts. You can then start development by running the dev script.

When should I use a unified runtime over fragmented JavaScript tools?▼

You should use a unified runtime over fragmented JavaScript tools when reducing setup complexity is a priority. It replaces separate runtime, package manager, test runner, and bundler tools with a single solution.