/adapt-skill — Port an external skill into your namespace

Sibling to create-skill. Different jobs:

• create-skill → build a new skill from chat / dump / scratch
• adapt-skill → take someone else's skill and make it yours

Step 1 — Fetch the source

Accept:

• GitHub URL to a SKILL.md or a repo containing one (https://github.com/<owner>/<repo> or https://github.com/<owner>/<repo>/blob/main/SKILL.md)
• agentskills.io URL or skills.sh URL
• Local path to an existing skill on disk (other plugins installed in ~/.claude/plugins/)
• Pasted SKILL.md content