Builder user experience systems for Three.js building games. Use when implementing prefab/blueprint save/load, undo/redo command patterns, ghost preview placement, multi-select, or copy/paste building mechanics. Covers the UX layer that makes building feel responsive and intuitive.
Install
npx skills add Bbeierle12/Skill-MCP-Claude --skill builder-uxnpx skills add Bbeierle12/Skill-MCP-Claude --skill builder-ux -a claude-code -gnpx skills add Bbeierle12/Skill-MCP-Claude --skill builder-ux -a codex -ggemini skills install https://github.com/Bbeierle12/Skill-MCP-Claude.git --path skills/builder-uxgh skill install Bbeierle12/Skill-MCP-Claude builder-uxgit clone --depth 1 https://github.com/Bbeierle12/Skill-MCP-Claude /tmp/Bbeierle12__Skill-MCP-Claude
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Bbeierle12__Skill-MCP-Claude/skills/builder-ux ~/.claude/skills/builder-ux # Claude Code
cp -R /tmp/Bbeierle12__Skill-MCP-Claude/skills/builder-ux ~/.agents/skills/builder-ux # Codex, Cursor, Gemini CLI, Copilot, OpenCode