npx claudepluginhub anthropics/claude-plugins-official --plugin posthogAccess PostHog analytics, feature flags, experiments, error tracking, and insights directly from Claude Code
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
Backend API design, GraphQL architecture, workflow orchestration with Temporal, and test-driven backend development
Efficient skill management system with progressive discovery — 410+ production-ready skills across 33+ domains
Comprehensive PR review agents specializing in comments, tests, error handling, type design, code quality, and code simplification