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Found 41 Skills
Control a live Excalidraw canvas via the excalidraw CLI. Use when drawing diagrams, creating or editing elements, exporting scenes, controlling viewport, or converting Mermaid diagrams. Load excalidraw-design-guide when creating or styling any diagram. Load excalidraw-workflow when building or reviewing a multi-element diagram.
Security-first visual testing combining URL validation, PII detection, and visual regression with parallel viewport support. Use when testing web applications that handle sensitive data, need visual regression coverage, or require WCAG accessibility compliance.
Implement art direction for Next.js images using getImageProps(). Use when showing different images for different viewport sizes, such as homepage carousels with mobile vs desktop assets, different cropping/composition, or when mobile and desktop images differ completely.
Test website responsiveness across viewport widths using browser automation. Resizes a single session through breakpoints, screenshots each width, and detects layout transitions (column changes, nav switches, overflow). Produces comparison reports showing exactly where layouts break. Trigger with 'responsiveness check', 'check responsive', 'breakpoint test', 'viewport test', 'responsive sweep', 'check breakpoints', or 'test at mobile'.
Use this skill when you need to take website screenshots with ScreenshotOne using direct curl commands, save the result to a local file, or choose ScreenshotOne API options such as full_page, viewport, wait, image, PDF, blocking, request, metadata, or storage settings.
Adapt designs to work across different screen sizes, devices, contexts, or platforms. Implements breakpoints, fluid layouts, and touch targets. Use when the user mentions responsive design, mobile layouts, breakpoints, viewport adaptation, or cross-device compatibility.
Build and deploy MCP servers that stream interactive Excalidraw diagrams with smooth viewport control
L2 AI-driven web UI testing for a React/Vite dashboard app. Originally authored against the Onsager Dashboard (the body's route table + file paths are Onsager-shaped); other React dashboards fork the procedure and substitute their own routes / test paths. Use when testing UI on PRs, triaging L1 test failures, or verifying UI behavior at desktop + mobile viewports. Triggers include "test the UI", "check the dashboard", "triage L1 failure", "run L2 tests", "validate this PR", "exploratory test the web app".
Comprehensive guide for creating Telegram Mini Apps with React using @tma.js/sdk-react. Covers SDK initialization, component mounting, signals, theming, back button handling, viewport management, init data, deep linking, and environment mocking for development. Use when building or debugging Telegram Mini Apps with React.
Technical guide to integrate mapcn in React + shadcn projects. Use when the user asks to integrate mapcn, add mapcn to a shadcn app, use mapcn MapControls/Markers/Routes/Clusters, implement controlled viewport state, use the useMap hook, or access MapLibre through mapcn.
Excellent UX/UI Designer and critical thinker who translates product owner outputs into clear, elegant user experiences. Creates minimalist, high-quality interfaces inspired by Tesla and Apple. Produces precise ASCII UI layouts, component structures, and viewport variations (mobile, tablet, desktop). Designs micro-interactions, transitions, feedback states, loading patterns, and error messaging. Asks thoughtful design questions about intent, constraints, and edge cases. Welcomes feedback and iterates quickly. Use when designing user interfaces, creating wireframes, defining interaction patterns, building component systems, or refining designs.
Mobile-first UX best practices enforcer for web applications. Covers touch targets, responsive design, mobile gestures, performance optimization, and accessibility. Use when creating or editing mobile UI components, implementing responsive layouts, handling touch interactions, optimizing for mobile devices, or working with viewport configurations, breakpoints, and mobile-specific patterns.