Design intuitive, scalable REST and GraphQL APIs that developers love. Covers resource modeling, HTTP semantics, pagination, error handling, versioning, and GraphQL schema patterns.

Build accessible, customizable UIs with shadcn/ui, Radix UI, and Tailwind CSS. Use when setting up shadcn/ui, installing components, building forms with React Hook Form + Zod, customizing themes, or implementing component patterns.

When the user wants to optimize post-signup onboarding, user activation, first-run experience, or time-to-value. Also use when the user mentions "onboarding flow," "activation rate," "user activation," "first-run experience," "empty states," "onboarding checklist," "aha moment," or "new user experience." For signup/registration optimization, see signup-flow-cro.

Next.js App Router best practices — Server Components, data fetching, caching, routing, middleware, metadata, error handling, streaming, Server Actions, and performance optimization for Next.js 14-16+.

Dual-stream event publishing combining Kafka for durability with Redis Pub/Sub for real-time delivery. Use when building event-driven systems needing both guaranteed delivery and low-latency updates. Triggers on dual stream, event publishing, Kafka Redis, real-time events, pub/sub, streaming architecture.

Prometheus monitoring — scrape configuration, service discovery, recording rules, alert rules, and production deployment for infrastructure and application metrics.

When the user wants to optimize signup, registration, account creation, or trial activation flows. Also use when the user mentions "signup conversions," "registration friction," "signup form optimization," "free trial signup," "reduce signup dropoff," or "account creation flow." For post-signup onboarding, see onboarding-cro.

Meta-skill that orchestrates the full API development lifecycle — from design through documentation — by coordinating specialized skills, agents, and commands into a seamless build workflow.

Production-tested setup for Tailwind v4 with shadcn/ui. Prevents 8 documented errors through a mandatory four-step architecture.

Horizontally-scalable WebSocket hub pattern with lazy Redis subscriptions, connection registry, and graceful shutdown. Use when building real-time WebSocket servers that scale across multiple instances. Triggers on WebSocket hub, WebSocket scaling, connection registry, Redis WebSocket, real-time gateway, horizontal scaling.

Complete workflow for project documentation including ADRs, PRDs, personas, and docs organization. Use when setting up documentation for a new project or improving existing docs. Triggers on project documentation, ADR, PRD, personas, docs structure, documentation setup.

React hooks for real-time data with SSE, WebSocket, and SWR integration. Covers connection management, reconnection logic, and optimistic updates. Use when building React apps with real-time features. Triggers on SSE hook, WebSocket hook, real-time React, useEventSource, live updates.

Lightweight documentation capturing the context, decision, and consequences of significant technical choices. ADRs become the institutional memory of why things are built the way they are.

WHAT: Universal release workflow with auto-detection, multi-language changelogs, semantic versioning, and git tagging. WHEN: User wants to create a release, bump version, update changelog, push a new version, or prepare for deployment. KEYWORDS: "release", "发布", "new version", "新版本", "bump version", "update version", "更新版本", "push", "推送", "create release", "prepare release", "tag version"

Patterns and practices that dramatically accelerate development velocity. Covers parallel execution, automation, feedback loops, workflow optimization, and anti-pattern avoidance. Use when starting projects, planning sprints, optimizing workflows, or onboarding developers.

Safe, zero-downtime database migration strategies — schema evolution, rollback planning, data migration, tooling, and anti-pattern avoidance for production systems. Use when planning schema changes, writing migrations, or reviewing migration safety.

When the user wants to create memes, add humor to content, or generate visual aids for social media. Triggers on: "make a meme", "create meme", "meme about", "meme factory", or requests for humor/visual comedy. Supports 100+ templates via the memegen.link API and 15+ textual meme formats in Markdown.

When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms. Also use when the user mentions "LinkedIn post," "Twitter thread," "social media," "content calendar," "social scheduling," "engagement," or "viral content." Covers content creation, repurposing, and platform-specific strategies.

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Treat project context as a managed artifact alongside code. Use structured context documents (product.md, tech-stack.md, workflow.md) to enable consistent AI interactions and team alignment. Essential for projects using AI-assisted development.