Provides professional UI/UX design expertise and frontend development tools for analyzing interfaces, generating design systems, and creating modern components with accessibility and best practices built-in. Supports React, Vue, Angular and other frameworks with seamless Claude Code CLI integration.
Enables Claude Code to capture and analyze web page screenshots, responsive layouts, and page metadata using Puppeteer. It allows developers to perform visual UI inspections and compare designs across various viewports directly within the terminal.
Core Web Vitals analysis powered by Lighthouse. Four tools: analyze a URL, compare two URLs, check against thresholds, or crawl an entire site. Works with Claude Code, Cursor, Windsurf, and any MCP-compatible AI tool.
AI design fidelity — compare Figma designs or screenshots against the rendered implementation and get structured discrepancies. Uses your Claude Code or Codex subscription, no API keys.
Provides AI assistants with advanced frontend debugging capabilities through 36 specialized tools for inspecting React/Vue/Angular/Svelte applications. Uses Playwright browser automation and source map intelligence to analyze components, network requests, bundle optimization, and resolve production errors.
Audits public web pages for tracking tags, duplicate pixels, page weight, header hygiene, and lab performance from inside Claude Code or Claude Desktop.