npx claudepluginhub sshh12/claude-plugins --plugin whatsupDefined inline in plugin.json manifest
node -e 'const v=parseInt(process.versions.node);if(v<18){console.error("whatsup requires Node.js 18+, found "+process.version);process.exit(1)}' 2>/dev/null || echo 'Node.js 18+ not found. whatsup requires Node.js 18+ to run.'Executes shell script inject-claudemd.sh from plugin root on SessionStart event for all sessions, enabling initial setup automation.