Framework-free form validation using HTML5 Constraint Validation API enhanced with Zod for complex rules. Use when building forms without React/Vue or for progressive enhancement.
Comprehensive E2E testing skill using Playwright MCP for systematic web application testing. This skill should be used when users need to test web-based systems end-to-end, set up test regimes,...
Design beautiful, consistent user interfaces with proper color theory, typography, spacing, and visual hierarchy. Use when creating design systems, choosing colors and fonts, or establishing...
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Senior Web Automation Engineer. Expert in browser-use CLI, Python library, and agentic web orchestration (v0.11.4+).
Layer 4 artifact for Behavior-Driven Development test scenarios using Gherkin Given-When-Then format
Expert-level Ember.js development. Use when asked to (1) write Ember.js applications with components, services, routes, or controllers, (2) implement Ember Data models and adapters, (3) work with...
UX/UI Design skill for user research, wireframing, prototyping, visual design, interaction design, usability testing, accessibility, design systems, and responsive design. Use when designing user...
Expert JavaScript developer specializing in modern ES6+ features, async patterns, Node.js, and browser APIs. Use when building JavaScript applications, optimizing performance, handling async...
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Contrast ratios for text, focus indicators, UI components
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Write competitive research proposals for NSF, NIH, DOE, DARPA, and Taiwan NSTC. Agency-specific formatting, review criteria, budget preparation, broader impacts, significance statements,...
Translate designs and UI requirements into robust, extensible implementations. Apply when converting designs to code, implementing components, fixing broken UI, or handling responsive layouts.
Write comprehensive clinical reports including case reports (CARE guidelines), diagnostic reports (radiology/pathology/lab), clinical trial reports (ICH-E3, SAE, CSR), and patient documentation...
Expert guidelines for implementing performant Lottie animations on the web
Expert UI/UX designer specializing in user-centered design, accessibility (WCAG 2.2), design systems, and responsive interfaces. Use when designing web/mobile applications, implementing accessible...
Master functional approaches to side effects including IO types, effect isolation, idempotent operations, and quarantining impure code - essential patterns for reliable TypeScript applications