React composition patterns for scalable component architecture. Use when refactoring components with boolean prop proliferation, building flexible component libraries, designing reusable component APIs, or working with compound components and context providers.

Caching strategies, invalidation, eviction policies, HTTP caching, distributed caching, and anti-patterns. Use when designing cache layers, choosing eviction policies, debugging stale data, or optimizing read-heavy workloads.

Curated collection of professional color and typography themes for styling artifacts — slides, docs, reports, landing pages. Use when applying visual themes to presentations, generating themed content, or creating custom brand palettes. Triggers on theme, color palette, font pairing, slide styling, presentation theme, brand colors.

Complete guide to building AI chat applications with Vercel AI SDK. Orchestrates streaming routes, useChat integration, tool architecture, message handling, and UX patterns. Use when building production AI chatbots or assistants. Triggers on build AI chat, create chatbot, AI assistant, Vercel AI SDK app, chat application.

Create software diagrams using Mermaid syntax. Use when users need to create, visualize, or document software through diagrams including class diagrams, sequence diagrams, flowcharts, ERDs, C4 architecture diagrams, state diagrams, git graphs, and other diagram types. Triggers include requests to diagram, visualize, model, map out, or show the flow of a system.

WHAT: Kubernetes manifest generation - Deployments, StatefulSets, CronJobs, Services, Ingresses, ConfigMaps, Secrets, and PVCs with production-grade security and health checks. WHEN: User needs to create K8s manifests, deploy containers, configure Services/Ingress, manage ConfigMaps/Secrets, set up persistent storage, or organize multi-environment configs. KEYWORDS: kubernetes, k8s, manifest, deployment, statefulset, cronjob, service, ingress, configmap, secret, pvc, pod, container, yaml, kustomize, helm, namespace, probe, security context

Find 10x product opportunities and high-leverage improvements. Use when the user wants strategic product thinking, mentions 10x, wants to find high-impact features, or asks what would make a product dramatically more valuable.

> **WHAT**: 70+ mental models and psychological principles applied to marketing and conversion

Add, fix, or optimize schema markup and structured data. Use when the user mentions schema markup, structured data, JSON-LD, rich snippets, schema.org, FAQ schema, product schema, review schema, or breadcrumb schema.

Build flexible, maintainable React components using compound components, context providers, and explicit variants. Avoid boolean prop proliferation.

Minimize total codebase size through ruthless simplification. Measure success by final code amount, not effort. Bias toward deletion.

When the user asks about startup metrics, SaaS metrics, unit economics, or business performance tracking. Triggers on: "startup metrics", "SaaS metrics", "CAC and LTV", "unit economics", "burn multiple", "rule of 40", "magic number", "marketplace metrics", "churn rate", "MRR", "ARR", "net revenue retention", "runway", or requests for metrics dashboards and investor reporting.

Rate limiting algorithms, implementation strategies, HTTP conventions, tiered limits, distributed patterns, and client-side handling. Use when protecting APIs from abuse, implementing usage tiers, or configuring gateway-level throttling.

Create persona documentation for a product or codebase. Use when asked to create persona docs, document target users, define user journeys, document onboarding flows, or when starting a new product and needing to define its audience. Persona docs should be the first documentation created for any product.

Build production-ready component libraries with Tailwind CSS using CVA, compound components, design tokens, and theming.

Manage knowledge graph for autonomous coding. Use when storing relationships, querying connected knowledge, building project understanding, or maintaining semantic memory.

Building native mobile UIs with Expo Router and React Native. Covers routing, navigation, styling, native controls, animations, and platform conventions following Apple Human Interface Guidelines.

Production Go concurrency patterns — goroutines, channels, sync primitives, context, worker pools, pipelines, and graceful shutdown. Use when building concurrent Go applications or debugging race conditions.

PostgreSQL-based job queue with priority scheduling, batch claiming, and progress tracking. Use when building job queues without external dependencies. Triggers on PostgreSQL job queue, background jobs, task queue, priority queue, SKIP LOCKED.

Quality checkpoints at every development stage — pre-commit through post-deploy — with configuration examples, threshold tables, bypass protocols, and CI/CD integration. Use when setting up quality automation, configuring CI pipelines, establishing coverage thresholds, or defining deployment requirements.