Agent skills collected from Claude Code, Codex, Cursor and Antigravity setups, packaged for Open Design: each skill folder has a SKILL.md plus an open-design.json sidecar (plugin spec v1), and open-design-marketplace.json at the root exposes the whole set as an installable catalog.
Import into Open Design: Plugins → Add → Import from link → paste this repo's URL.
Layout: claude-code/skills, claude-code/agents, codex/skills, cursor/skills, cursor/skills-cursor, antigravity/.