Skill Bundler

Skill Bundler helps create, review, and maintain compact Skill Bundles: one visible top-level skill that routes to multiple hidden SUB_SKILL.md Sub-Skills. It is useful when related skills should be packaged together without loading every detailed instruction file during discovery.

Installing Skill Bundler

Install the skill with npx:

npx skills add https://github.com/Gucky/SkillBundler --skill skill-bundler

To install it globally for Codex:

npx skills add https://github.com/Gucky/SkillBundler --skill skill-bundler --agent codex --global

For a specific agent:

npx skills add https://github.com/Gucky/SkillBundler --skill skill-bundler --agent claude-code

For all supported agents:

npx skills add https://github.com/Gucky/SkillBundler --skill skill-bundler --agent '*'

If npx is not available, install Node.js first. On macOS with Homebrew:

brew install node

Using Skill Bundler

In Codex, trigger the skill directly:

$skill-bundler

You can also ask naturally:

Use the Skill Bundler skill to create a bundle from these skills.

The skill helps with:

• Creating a Skill Bundle folder with SKILL.md, agents/openai.yaml, and bundled-skills/
• Copying source skills into bundled Sub-Skill folders
• Renaming bundled SKILL.md files to SUB_SKILL.md
• Keeping the generated bundle compact with progressive-disclosure routing
• Validating that bundled Sub-Skills are discoverable only through the bundle

Safety Model

The skill is structural: it creates and reviews skill bundle layouts. It preserves copied skill content, assets, scripts, references, notices, and licenses unless you explicitly ask for cleanup.

When creating Skill Bundles, always review, respect, and preserve the licenses of the bundled source skills. Only bundle and redistribute skills in ways that are permitted by their original licenses.

Requirements

• Node.js and npx for installation through the Skills CLI
• Source skill folders available on disk when creating bundles
• An AI coding assistant that supports agent skills

License

Skill Bundler was created by Wolfgang Muhsal. It is available under the MIT License, which permits commercial use, modification, distribution, and private use.