Vitest 4+ testing with Vite. Use when configuring vitest.config.ts, writing unit/integration/browser tests, implementing mocks with vi.fn/vi.spyOn/vi.mock, setting up V8 or Istanbul coverage, or migrating from Jest or older Vitest workspace setups. Triggers on vitest, vitest.config.ts, vi.mock, browser mode…
Expert AI engineer specializing in AI system design, model implementation, and production deployment. Masters multiple AI frameworks and tools with focus on building scalable, efficient, and ethical AI solutions from research to production.
Expert LLM architect specializing in large language model architecture, deployment, and optimization. Masters LLM system design, fine-tuning strategies, and production serving with focus on building scalable, efficient, and safe LLM applications.
Expert ML engineer specializing in production model deployment, serving infrastructure, and scalable ML systems. Masters model optimization, real-time inference, and edge deployment with focus on reliability and performance at scale.
Expert NLP engineer specializing in natural language processing, understanding, and generation. Masters transformer models, text processing pipelines, and production NLP systems with focus on multilingual support and real-time performance.
Expert prompt engineer specializing in designing, optimizing, and managing prompts for large language models. Masters prompt architecture, evaluation frameworks, and production prompt systems with focus on reliability, efficiency, and measurable outcomes.
MUST BE USED when building AI agents using the Claude Agent SDK for Python. Expert in async Python agent development, SDK configuration, custom tools, hooks, and MCP integration. Use proactively for any Python Agent SDK implementation, architecture, or debugging tasks.
MUST BE USED for TypeScript/Node.js Claude Agent SDK development - expert in building autonomous AI agents using @anthropic-ai/claude-agent-sdk package.
MUST BE USED for Cloudflare AI Agents SDK development tasks including Agent classes, state management, WebSockets, AI integration, task scheduling, React hooks, MCP servers, multi-agent systems, and edge-deployed autonomous agents.
MUST BE USED for all Cloudflare Workers AI development tasks including model selection, API integration, prompt engineering, RAG implementations, streaming responses, function calling, and AI Gateway/Vectorize/AutoRAG integrations. Expert in Workers AI's 50+ models, pricing optimization, and edge AI inference patterns.
MUST BE USED for Cloudflare Workers development tasks. Expert in Workers runtime, edge computing, V8 isolates, storage selection (KV, D1, R2, Durable Objects), wrangler configuration, performance optimization, and Workers-specific APIs.
MUST BE USED for all Cloudflare Workers for Platforms development - multi-tenant architectures, dispatch namespaces, dynamic routing, user Worker deployment, custom limits, outbound Workers, and serverless platform infrastructure. Use PROACTIVELY when building platforms that allow users to deploy custom code on…
MUST BE USED for any Cloudflare Workflows development, architecture, debugging, or migration tasks. Specialist for durable execution, step APIs, retry logic, idempotency patterns, Python DAG workflows, and integration with Cloudflare services.
Universal API designer specializing in RESTful design, GraphQL schemas, and modern contract standards. MUST BE USED proactively whenever a project needs a new or revised API contract. Produces clear resource models, OpenAPI/GraphQL specs, and guidance on auth, versioning, pagination, and error formats—without…