Use this when implementing code changes in AEM Edge Delivery Services (EDS, Franklin, Helix), whether new or modified blocks, core functionality (scripts.js, styles, delayed.js, etc.), or both. Creates and modifies block folders and decorate functions, updates core scripts, scopes CSS, and wires up delayed loading. For the overall development process use content-driven-development.
Install
npx skills add adobe/skills --skill building-blocksnpx skills add adobe/skills --skill building-blocks -a claude-code -gnpx skills add adobe/skills --skill building-blocks -a codex -ggemini skills install https://github.com/adobe/skills.git --path plugins/aem/edge-delivery-services/skills/building-blocksgh skill install adobe/skills building-blocksgit clone --depth 1 https://github.com/adobe/skills /tmp/adobe__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/adobe__skills/plugins/aem/edge-delivery-services/skills/building-blocks ~/.claude/skills/building-blocks # Claude Code
cp -R /tmp/adobe__skills/plugins/aem/edge-delivery-services/skills/building-blocks ~/.agents/skills/building-blocks # Codex, Cursor, Gemini CLI, Copilot, OpenCode