npx claudepluginhub gchiam/claude-code-plugins --plugin mac-notificationsmacOS notification hooks for Claude Code events — plays sounds and shows system notifications for Notification, PermissionRequest, Stop, and SubagentStop events.
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Intelligent prompt optimization using skill-based architecture. Enriches vague prompts with research-based clarifying questions before Claude Code executes them
AI-native product management for startups. Transform Claude into an expert PM with competitive research, gap analysis using the WINNING filter, PRD generation, and GitHub Issues integration.
Persistent memory system for Claude Code - seamlessly preserve context across sessions
Complete collection of battle-tested Claude Code configs from an Anthropic hackathon winner - agents, skills, hooks, and rules evolved over 10+ months of intensive daily use