License Checker

⚖️ License Checker Skill

name: license-checker description: Check and validate licenses of project dependencies for legal compliance

🎯 Purpose

ตรวจสอบ licenses ของ dependencies เพื่อความถูกต้องตามกฎหมายและนโยบายบริษัท

📋 When to Use

• Before releasing software
• Adding new dependencies
• Compliance audits
• Open source contributions
• Enterprise projects

🔧 License Types

Permissive (Safe for commercial)

Copyleft (Careful)

Commercial

📝 Check Commands

# NPM - license-checker
npx license-checker --summary
npx license-checker --production --csv > licenses.csv

# NPM - license-report
npx license-report

# Python
pip-licenses --format=markdown

📊 Output Example

├─ package-a@1.0.0
│  ├─ licenses: MIT
│  ├─ repository: https://github.com/...
│  └─ publisher: Author Name
├─ package-b@2.0.0
│  ├─ licenses: Apache-2.0
│  ├─ repository: https://github.com/...
│  └─ publisher: Company Inc

🚨 License Policy Template

## Allowed Licenses
- MIT
- Apache-2.0
- BSD-2-Clause
- BSD-3-Clause
- ISC
- CC0-1.0

## Requires Review
- LGPL-3.0
- MPL-2.0

## Not Allowed
- GPL-3.0
- AGPL-3.0
- Unlicensed

✅ Compliance Checklist

• All deps have licenses
• No GPL in commercial
• Attribution included
• License files copied
• NOTICE file updated
• Legal approved

🔗 Related Skills

• security-audit - Security compliance
• dependency-management - Manage deps
• documentation - License docs