Adds a new extension point route to a Sitecore Marketplace app. Use when the user wants to add a custom field, dashboard widget, context panel, fullscreen page, or standalone route.
Install
npx skills add vercel-labs/sitecore-skills --skill marketplace-add-extensionnpx skills add vercel-labs/sitecore-skills --skill marketplace-add-extension -a claude-code -gnpx skills add vercel-labs/sitecore-skills --skill marketplace-add-extension -a codex -ggemini skills install https://github.com/vercel-labs/sitecore-skills.git --path .claude/skills/marketplace-add-extensiongh skill install vercel-labs/sitecore-skills marketplace-add-extensiongit clone --depth 1 https://github.com/vercel-labs/sitecore-skills /tmp/vercel-labs__sitecore-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/vercel-labs__sitecore-skills/.claude/skills/marketplace-add-extension ~/.claude/skills/marketplace-add-extension # Claude Code
cp -R /tmp/vercel-labs__sitecore-skills/.claude/skills/marketplace-add-extension ~/.agents/skills/marketplace-add-extension # Codex, Cursor, Gemini CLI, Copilot, OpenCode