Frontend

Create comprehensive, production-ready frontend implementation plans for any UI screen or feature. Use this skill when documenting how to build UI components, establishing design systems, planning component architecture, or creating technical specifications for frontend development. Works across frameworks (React, Vue, Angular, Svelte, etc.) and focuses on clear structure, reusable patterns, and maintainability.

Multi-specialist UI design and implementation team for cross-platform applications.Use when working on: (1) UI/UX design decisions - colors, layout, typography, accessibility,(2) Web implementation - HTML5, CSS, responsive design, (3) .NET desktop - WPF, WinUI 3, MAUI with XAML,(4) .NET web - Blazor Server/WASM/Hybrid components, (5) Python GUI - PyQt, Tkinter, Kivy, Streamlit.Triggers: UI design, color scheme, layout, component styling, accessibility, responsive design,XAML styling, Blazor components, CSS architecture, Python GUI, design system, design tokens.

Complete full-stack development with Astro (Islands Architecture), Tailwind CSS (utility-first styling), and CloudFlare Workers/D1/KV (edge computing and hybrid database). Strategic guidance plus practical implementation patterns for building fast, globally-distributed web applications.

Provides guidance and best practices for writing simple, understandable code that developers can easily maintain

Vite SPA deployment to various platforms. Use when deploying React SPAs.

Build responsive layouts that adapt seamlessly across devices using mobile-first design, fluid layouts, and standard breakpoints. Use this skill when implementing responsive designs, creating mobile-first layouts, defining breakpoint styles, working with responsive components and pages, using relative units (rem, em) instead of fixed pixels, implementing media queries, ensuring touch-friendly tap targets, optimizing images and assets for different screen sizes, maintaining readable typography across breakpoints, prioritizing content for smaller screens, testing UI across mobile, tablet, and desktop devices, or building fluid container layouts. Apply this skill when building responsive UI components, optimizing layouts for different screen sizes, or reviewing mobile and tablet user experiences.

Build Gemini Deep Research agents using the Interactions API. Use when creating autonomous research agents, implementing multi-step information gathering, building research report generators, or integrating Gemini's Deep Research capabilities into applications. Handles polling, streaming, file integration, and report synthesis.

Plan and implement CDN deployment of built WebF app assets (Vercel/Netlify/S3+CloudFront/GitHub Pages), including cache headers and verification. Use when the user mentions CDN, cache headers, S3/CloudFront, Vercel, Netlify, GitHub Pages, or deploying build output.

Expert system for reviewing utility patent applications against USPTO MPEP guidelines.

Suite of tools for creating Practice Hub UI components and artifacts using the project's design system (React, Tailwind CSS, shadcn/ui, glass-card patterns). Use for building UI components that match Practice Hub's established design patterns and conventions.

Evaluation and reporting for code quality, performance, security, architecture, team processes, AI/LLM outputs, A/B tests, ROI analysis, and compliance. Scoring systems, benchmarking, dashboard creation, and multi-format report generation (PDF, HTML, Markdown, JSON).

Use when creating or editing reveal.js presentations, or when user mentions slides, presentations, reveal.js, code examples in slides, speaker notes, or slide design - enforces Tailwind CSS, proper code sizing, progressive reveal, semantic colors, and timing markers

Use when writing Nix code for flakes, modules, or packages

Validates complete requirements traceability across EARS requirements → design → tasks → code → tests.Trigger terms: traceability, requirements coverage, coverage matrix, traceability matrix,requirement mapping, test coverage, EARS coverage, requirements tracking, traceability audit,gap detection, orphaned requirements, untested code, coverage validation, traceability analysis.Enforces Constitutional Article V (Traceability Mandate) with comprehensive validation:- Requirement → Design mapping (100% coverage)- Design → Task mapping- Task → Code implementation mapping- Code → Test mapping (100% coverage)- Gap detection (orphaned requirements, untested code)- Coverage percentage reporting- Traceability matrix generationUse when: user needs traceability validation, coverage analysis, gap detection,or requirements tracking across the full development lifecycle.

Enterprise-ready web development for Next.js 16, React, and TypeScript incorporating Kaizen (continuous improvement) and Monozukuri (meticulous craftsmanship) principles. Use this skill when building web applications, APIs, React components, Next.js projects, or when the user requests clean, efficient, fast, simple, elegant, enterprise-grade, bulletproof, or production-ready web code. This skill enforces modern web best practices, TypeScript patterns, React optimization, security, and performance.

Vercel deployment using Vercel CLI for Next.js, React, Vue, static sites, and serverless functions. Includes project validation, deployment orchestration, environment management, domain configuration, and analytics integration. Use when deploying frontend applications, static sites, or serverless APIs, or when user mentions Vercel, Next.js deployment, serverless functions, or edge network.

Use when writing HubSpot integration code in Nango - HubSpot-specific guidance on Search API for incremental syncs, property name variations, rate limits, and OAuth introspection

Apply SDD/TAC methodology for coding tasks. Auto-invoke when implementing features, refactoring code, fixing bugs affecting 3+ files, planning implementations, or when user mentions Scout-Plan-Build workflow. This skill guides systematic development through Phase 0 (Constraints), Scout (reconnaissance), Plan (design), and Build (execution) phases.

Manages state with Valtio using proxy-based reactivity, direct mutations, and automatic re-renders. Use when wanting mutable state syntax, fine-grained reactivity, or state management outside React components.

Scaffolds new Buck2 projects with proper BUILD/PACKAGE files, SPDX headers, and depot shims. Use when creating new Rust binaries/libraries, Deno tools, or C++ projects in the monorepo. Ensures consistent structure and metadata from the start.