javascript-pro — js APIs. cjs files for correctness and best practices.
react-expert — js App Router projects, or create-react-app setups.
shopify-expert — toml, OAuth, webhooks), and implements Storefront API integrations for headless storefronts.
typescript-pro — Implements advanced TypeScript type systems, creates custom type guards, utility types, and branded types, and configures tRPC for end-to-end type safety.