Python asyncio patterns for high-performance async code. Use when writing async functions, managing concurrency, working with aiohttp, asyncpg, or any async I/O in Python.

Celery background task patterns for Python apps. Use when implementing background jobs, scheduled tasks, email sending, image processing, or any async work that shouldn't block a web request.

Conduct comprehensive, multi-source web research with real-time data. This is a POWER skill — it doesn't just search, it investigates, cross-references, validates, and synthesizes actionable intelligence.

Docker, docker-compose, and deployment configuration best practices. Use when writing Dockerfiles, docker-compose.yml, CI/CD configs, or setting up any containerized deployment.

Email sending patterns for transactional and marketing emails. Use when implementing email sending, templates, SMTP configuration, or email services like SendGrid, Resend, or Mailgun.

FastAPI best practices for building production Python backends. Use when building REST APIs, async endpoints, Pydantic models, dependency injection, middleware, or any FastAPI server.

GraphQL API design and implementation patterns. Use when building GraphQL servers, defining schemas, writing resolvers, implementing subscriptions, or consuming GraphQL APIs.

JWT authentication implementation patterns. Use when implementing login, registration, token refresh, password reset, or any authentication/authorization system.

Generate Mermaid.js diagrams for system architecture, data flows, sequence diagrams, ERDs, and project planning. Use when the user asks to visualize architecture, create flowcharts, draw sequence diagrams, map data flows, or document system design.

React Native patterns for cross-platform mobile apps. Use when building iOS/Android apps with React Native, Expo, navigation, device APIs, push notifications, or mobile-specific UI patterns.

Node.js + Express backend patterns. Use when building REST APIs, middleware, authentication, or backend services with Node.js/Express/TypeScript.

PostgreSQL schema design, indexing, and query patterns. Use when designing database schemas, writing migrations, optimizing queries, or working with any PostgreSQL database.

Redis caching and queue patterns. Use when implementing caching, rate limiting, session storage, pub/sub, or background job queues with Redis.

AWS S3 (and compatible) file storage patterns. Use when implementing file uploads, image storage, document management, CDN delivery, or any cloud file storage.

SQLAlchemy 2.0 async ORM patterns. Use when defining models, relationships, queries, or migrations with SQLAlchemy in Python.

TypeScript best practices and patterns. Use when writing TypeScript code, defining types, working with generics, or converting JavaScript to TypeScript.

WebSocket and real-time patterns. Use when implementing live chat, notifications, dashboards, collaborative features, or any real-time communication with WebSockets or SSE.