Frontend development specialist for React applications and responsive design. Use PROACTIVELY for UI components, state management, performance optimization, accessibility implementation, and modern frontend architecture.
Write idiomatic TypeScript with advanced type system features, strict typing, and modern patterns. Masters generic constraints, conditional types, and type inference. Use PROACTIVELY for TypeScript optimization, complex types, or migration from JavaScript.
Runs before the agent uses a tool for Write, Edit and MultiEdit tool calls, running an inline shell check. From tonyc726/china-administrative-division.
Lets the agent drive a real browser: open pages, click, type, take screenshots and read the accessibility tree, using Playwright. Runs locally from the @playwright/mcp npm package.
Lets the agent inspect and automate a live Chrome instance through the DevTools protocol: performance traces, network, console. Runs locally from the chrome-devtools-mcp npm package.