npm:uimax-mcp

THE PRIMARY TOOL — Fully automated UI review pipeline. Captures a screenshot, runs accessibility/performance/code audits, then returns ALL data along

Generate a standalone HTML report file with all audit findings embedded. Runs the full review pipeline (screenshot, accessibility, performance, code a

Quick design-only review. Captures a screenshot and returns it with a focused design review methodology. No code analysis, no performance audit — just

Capture a screenshot of a webpage. Returns a PNG image that you can visually analyze for design issues, layout problems, and UI quality.

Capture screenshots at mobile (375px), tablet (768px), and desktop (1440px) viewports. Perfect for reviewing responsive design.

Detect whether a webpage supports dark mode. Captures two screenshots — one in light mode and one with prefers-color-scheme: dark emulated — then comp

Before/after visual comparison with pixel-level diffing. Captures screenshots of two URLs at the same viewport size, computes an accurate pixel-level

AI-powered visual comparison. Captures before/after screenshots and provides a structured methodology for Claude to semantically evaluate whether UI c

Run an automated accessibility audit using axe-core. Checks for WCAG 2.1 Level A and AA violations, reporting issues by severity with specific fix ins

Measure Core Web Vitals and performance metrics: FCP, LCP, CLS, TBT, load time, resource count, DOM size, and JS heap usage.

Run a full Lighthouse audit against a URL. Returns scores for Performance, Accessibility, Best Practices, and SEO (0-100), plus detailed audit finding

Run a comprehensive SEO audit. Checks 18 SEO signals including meta tags, heading hierarchy, Open Graph tags, Twitter cards, structured data (JSON-LD)

Check Progressive Web App readiness: installable manifest, service worker, HTTPS, offline capability, and more. Runs a full Lighthouse audit under the

Check security posture via Lighthouse: HTTPS usage, mixed content, CSP headers, vulnerable JavaScript libraries, external links without noopener, and

Find unused JavaScript and CSS on a page. Runs Lighthouse and extracts the unused-javascript and unused-css-rules audits, showing each resource with t

Deep Largest Contentful Paint (LCP) analysis. Identifies the LCP element, measures TTFB, resource load time, and render delay. Provides specific optim

Full resource breakdown of a page: total transfer size, breakdown by type (JS, CSS, images, fonts), number of requests, top 10 largest resources, and

Analyze frontend source code for quality issues: accessibility anti-patterns, CSS problems, component complexity, design inconsistencies, and performa