dmg-creator

Create macOS DMG installers with custom backgrounds and app placement

509 stars

bya5c-ai

View on GitHub Installation ↓

Best use case

dmg-creator is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Create macOS DMG installers with custom backgrounds and app placement

Teams using dmg-creator should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

You only need a quick one-off answer and do not need a reusable workflow.
You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/dmg-creator/SKILL.md --create-dirs "https://raw.githubusercontent.com/a5c-ai/babysitter/main/library/specializations/desktop-development/skills/dmg-creator/SKILL.md"

Manual Installation

Download SKILL.md from GitHub
Place it in .claude/skills/dmg-creator/SKILL.md inside your project
Restart your AI agent — it will auto-discover the skill

How dmg-creator Compares

Feature / Agent	dmg-creator	Standard Approach
Platform Support	Not specified	Limited / Varies
Context Awareness	High	Baseline
Installation Complexity	Unknown	N/A

Frequently Asked Questions

What does this skill do?

Create macOS DMG installers with custom backgrounds and app placement

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# dmg-creator

Create macOS DMG (Disk Image) installers with custom backgrounds, icon positioning, and professional appearance.

## Capabilities

- Create DMG with custom background
- Configure app and Applications link positioning
- Set window size and position
- Configure icon sizes
- Apply custom volume icons
- Code sign DMG
- Configure license agreements

## Input Schema

```json
{
  "type": "object",
  "properties": {
    "projectPath": { "type": "string" },
    "appPath": { "type": "string" },
    "outputPath": { "type": "string" },
    "backgroundImage": { "type": "string" },
    "windowSize": { "type": "object" }
  },
  "required": ["projectPath", "appPath"]
}
```

## Using create-dmg

```bash
create-dmg \
  --volname "My Application" \
  --volicon "icon.icns" \
  --background "background.png" \
  --window-pos 200 120 \
  --window-size 600 400 \
  --icon-size 100 \
  --icon "MyApp.app" 150 185 \
  --hide-extension "MyApp.app" \
  --app-drop-link 450 185 \
  "MyApp-1.0.0.dmg" \
  "dist/"
```

## Related Skills

- `macos-notarization-workflow`
- `macos-codesign-workflow`

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