skills

Imported from YYC-Cube/YYC3-Knowledge-Base (YYC3-E/open-design/skills/AGENTS.md). Install upstream with npx skills add YYC-Cube/YYC3-Knowledge-Base --skill skills. Copyright stays with the author.

skills

This directory holds functional skills — capabilities the agent invokes mid-task to do work on user input. Each skill is a folder with a SKILL.md (frontmatter + body) and any side files (assets/, references/, scripts, …) the workflow needs.

If the entry primarily renders a design artifact (deck, prototype, image/video/audio template) it belongs under ../design-templates/ instead. See specs/current/skills-and-design-templates.md for the full split.

Daemon plumbing

• Listed under /api/skills (functional only). User-imported skills shadow built-in entries with the same frontmatter name.
• Asset routes (/api/skills/:id/example, /api/skills/:id/assets/*) span both functional skills and design templates so existing srcdoc-rewritten URLs keep resolving after the split.
• The Settings → Skills panel surfaces this directory only; the EntryView Templates tab reads the design-templates registry instead.

Adding a skill

1. Create skills/<my-skill>/SKILL.md with name, description, triggers, and od.mode: utility (or design-system) frontmatter.
2. Drop any side files alongside; reference them from the body using the relative-from-skill-root paths the daemon advertises in the skill preamble.
3. The daemon's lazy scanner picks the entry up on the next /api/skills request — no rebuild required during local dev.

Curated design / creative catalogue

This directory also ships a curated catalogue of design and creative skills hand-picked from VoltAgent/awesome-agent-skills and ComposioHQ/awesome-claude-skills. Each entry is a lightweight stub — frontmatter + a short body that points at the upstream repo — so the Settings → Skills tab surfaces a rich, filterable list out of the box without vendoring every upstream workflow.

• od.category on these stubs powers the new category filter row in Settings → Skills (e.g. image-generation, video-generation, audio-music, slides, documents, design-systems, figma, animation-motion, 3d-shaders, diagrams, creative-direction, marketing-creative, screenshots, web-artifacts).
• The seed script lives at scripts/seed-curated-design-skills.ts and is idempotent: running it again only creates folders that don't already exist, so a hand-edited stub is never overwritten. Delete the folder under skills/ and re-run the script to refresh an entry.
• Stubs intentionally do not vendor upstream assets. To run an upstream workflow with its original scripts and references, copy the upstream folder into your active agent's skills directory (Claude Code, Codex, Cursor, etc.) — the body of each stub explains how.