# bun

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

- Tier: Indexed (plain plugin)
- Category: Development
- Page: https://www.flowy.sh/listings/oven-sh-bun
- Source: https://github.com/oven-sh/bun
- Price: free and open source

## Summary
bun is a Claude Code plugin with 8 hand-picked skills for development work, indexed on Flowy. Install it with the command on its page. It includes implementing-jsc-classes-cpp, implementing-jsc-classes-rust, javascriptcore-garbage-collector. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.

## Install (Claude Code)
```
npx -y skills add oven-sh/bun --agent claude-code
```

## Skills
- implementing-jsc-classes-cpp
- implementing-jsc-classes-rust
- javascriptcore-garbage-collector
- rust-system-calls
- slowest-tests
- verify
- writing-bundler-tests
- writing-dev-server-tests

## FAQ

### What is bun?
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

### How do I install bun?
Run these in Claude Code: npx -y skills add oven-sh/bun --agent claude-code. Then prompt normally.

### Does bun auto-invoke its skills?
Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.

### Is bun free?
Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.