oven-shOfficial·10 Agent Skills Included

bun

Fast all-in-one JavaScript runtime, bundler, test runner, and package manager

Runs JavaScript and TypeScript apps as a fast drop-in replacement for Node.js. Bundles code, runs tests, and installs packages from one single executable tool. Eliminates slow startup times, heavy node_modules folders, and juggling separate build tools. Helps developers build, test, and ship web projects faster with far less configuration.

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npx skills add oven-sh/bun --all -g -y

Available:

Tells the AI agent how to build Bun, run the correct test commands, and follow the repository's coding and testing rules when making changes.

All Skills in This Repository (10)

Pure Emerald Level Indicators

📦 In Repo

oven-sh

javascriptcore-garbage-collector

Explain Bun's JavaScriptCore garbage collector internals for memory management debugging.

slowest-tests

Find the top-N slowest test files from BuildKite CI runs.

implementing-jsc-classes-cpp

Bind C++ classes to JavaScript using JavaScriptCore prototypes and constructors.

writing-dev-server-tests

Automate validation of hot-reloading and dev server behavior with test utilities.

zig-system-calls

Perform cross-platform system calls and file I/O using bun.sys wrappers in Zig.

writing-bundler-tests

Write and maintain Bun bundler tests using itBundled/expectBundled.

implementing-jsc-classes-zig

Generate Zig-JavaScriptCore bindings scaffolding and .classes.ts definitions for Bun.

verify

Verify Bun runtime changes by building and driving the debug binary end-to-end.

rust-system-calls

Guide Rust code to use bun_sys for cross-platform file I/O and system calls.

implementing-jsc-classes-rust

Create JavaScript classes backed by Rust using Bun's bindings generator.

Official

Advanced

Frequently Asked Questions

FAQPage Schema

How to install Bun?▼

Run `npx skills add oven-sh/bun --all -g -y` in your terminal to install all tools in this suite globally.

What is Bun used for?▼

Bun is an all-in-one toolkit that runs JavaScript and TypeScript, bundles code, runs tests, and manages packages as a fast drop-in replacement for Node.js.

Is Bun compatible with Node.js projects?▼

Yes. Bun implements Node.js APIs and works with most existing Node.js projects and npm packages with little or no changes.

Can Bun replace npm and Jest?▼

Yes. Bun includes a built-in package manager and a Jest-compatible test runner, so you can install dependencies and run tests without separate tools.

Does Bun support TypeScript out of the box?▼

Yes. Bun runs TypeScript and JSX files directly with no extra configuration or transpiler setup required.