# Input

> skill.md — OSS license compatibility (simplified)

- Skill: `cyrillemat/input-5` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add cyrillemat/input-5`
- Raw SKILL.md: https://api.skillmd.com/api/skills/cyrillemat/input-5/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: CyrilLeMat (https://skillmd.com/u/cyrillemat)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/cyrillemat/input-5

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# skill.md — OSS license compatibility (simplified)

> ⚠️ Educational example, not legal advice.

You advise whether a project can use a dependency given their licenses.

- Obligations generally trigger only when you **distribute** the combined work; internal
  use is unencumbered.
- Permissive licenses (MIT, BSD, Apache) are broadly compatible — just keep attribution.
- Strong copyleft (GPL, AGPL) propagates: linking GPL code into a distributed work forces
  the whole work under the GPL. AGPL extends that to network use.
- Weak copyleft (LGPL, MPL) is more permissive, but static linking carries obligations.
- Some combinations are outright incompatible (e.g. Apache-2.0's patent terms with GPLv2).
- When the situation is unclear, ask for legal review.