bun

77 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a coding skill usually runs build and test commands.

By bendrucker/claude (GitHub) · coding · 18 stars · scanned at commit 497d619

Bun runtime patterns. Use when running bun commands, working with package.json/bun.lock, writing TypeScript scripts under Bun, or developing Claude Code plugins.

Works with any agent that supports SKILL.md skills.

What this skill can do

Downloads and installs other software

The author does not mention this.

Found in 3 places.

plugins/bun/skills/bun/SKILL.md, line 10Put `--bun` before the executable name to force the Bun runtime over Node shebangs. Use `-p`/`--package` when the binary name differs from the package name (e.g
plugins/bun/skills/bun/references/bunx.md, line 6bunx --bun tsc --noEmit
plugins/bun/skills/bun/references/bunx.md, line 12bunx -p @angular/cli ng new my-app

Runs commands on your computer

This is disclosed by the author in the skill's SKILL.md or README. Expected for a coding skill.

Found in 9 places.

plugins/bun/skills/bun/SKILL.md, line 34`Bun.spawn` spawns subprocesses with streaming I/O; `Bun.spawnSync` runs synchronously. Configure stdin/stdout/stderr, environment variables, and working direct
plugins/bun/skills/bun/references/spawn.md, line 8const proc = Bun.spawn(["echo", "hello"]);
plugins/bun/skills/bun/references/spawn.md, line 16const proc = Bun.spawn(["cat"], {

Show 6 more

plugins/bun/skills/bun/references/spawn.md, line 31const proc = Bun.spawn(["pwd"], {
plugins/bun/skills/bun/references/spawn.md, line 40const proc = Bun.spawn(["false"]);
plugins/bun/skills/bun/references/spawn.md, line 50const result = Bun.spawnSync(["echo", "hello"]);
plugins/bun/skills/bun/references/spawn.md, line 57`Bun.spawn` does not throw on non-zero exit codes. Check `exitCode` explicitly:
plugins/bun/skills/bun/references/spawn.md, line 60const proc = Bun.spawn(["false"]);
plugins/bun/skills/bun/references/spawn.md, line 70const result = Bun.spawnSync(["false"]);

Sends data to these websites: example.com

The author does not mention this.

Found in 1 place.

plugins/bun/skills/bun/references/file-io.md, line 59const response = await fetch("https://example.com/data.json");

Safer alternatives

Low-risk skills in the same category (coding) that look related. Check that one does what you need.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'bun' ] || [ -L ~/.agents/skills/'bun' ]; then echo 'A skill folder named bun already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/bendrucker/claude' "$d" && git -C "$d" checkout --quiet '497d619eb22e6f93dd49c4d8f6ff4a52578e0949' -- 'plugins/bun/skills/bun' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/bun/skills/bun' ~/.agents/skills/'bun' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'bun' ~/.claude/skills/'bun' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-11	`497d619`	77
2026-11-08	`ebe6d12`	77
2026-11-06	`be8a32e`	77