Add an Upstream Skill
Use add when you want a workspace entry but do not want to vendor the source.
From the bundled reference library:
npx ai-agent-skills add frontend-design --area frontend --branch Implementation --why "I want this on my shelf."
From a GitHub repo:
npx ai-agent-skills add anthropics/skills --skill ask-questions-if-underspecified --area workflow --branch Planning --why "I use this to tighten vague requests."
add writes to the active workspace only.
It keeps the upstream metadata:
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You still choose:
- shelf
- branch
- why it belongs
That keeps the workspace shaped like your own library instead of becoming a blind copy.