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Found 2,169 Skills
Frontend specialist for React, Next.js, TypeScript with FSD-lite architecture, shadcn/ui, and design system alignment. Use for UI, component, page, layout, CSS, Tailwind, and shadcn work.
Mobile specialist for Flutter, React Native, and cross-platform mobile development. Use for mobile app, Flutter, Dart, iOS, Android, Riverpod, and widget work.
Use when the user needs production-grade React/Next.js/TypeScript development with rigorous component architecture, state management, performance optimization, and >85% test coverage. Triggers: React component development, Next.js page creation, state management design, frontend performance audit, component library setup.
Visual UI annotation tool for AI agents. Drop the React toolbar into any app — humans click elements and leave feedback, agents receive structured CSS selectors, bounding boxes, and React component trees to find exact code. Supports MCP watch-loop, platform-specific hooks (Claude Code / Codex / Gemini CLI / OpenCode), webhook delivery, and autonomous self-driving critique with agent-browser.
Guides creation and modification of domain feature systems organized under a systems/ directory. Covers directory layout, API service layer patterns, TanStack Query hooks (queries, mutations, optimistic updates), React context and XState store conventions, hook organization, and public API barrel exports. Use when adding a new domain system, extending an existing one, or fixing bugs in a system-layer codebase. Don't use for generic React component work, backend API implementation, or codebases not organized around a systems/ domain pattern.
Enforces design token usage, component reusability, SOLID, and DRY principles when writing or editing React/Next.js frontend code. Use when creating components, pages, or modifying UI code in a project that has a design-tokens.json file.
Configure and optimize Vite 7 for React projects. Covers build tooling, dev server, plugins, HMR, chunk splitting, Environment API, and Rolldown integration. Use when setting up Vite, configuring builds, optimizing bundles, managing plugins, or troubleshooting dev server. Triggers on vite, vite config, vite plugin, HMR, dev server, build optimization, chunk splitting, rolldown, vite proxy, environment api, rolldown-vite.
Autonomous pixel-perfect UI implementation loop for Next.js/React using Figma MCP and Playwright. Converts Figma designs to production-ready components with iterative visual validation. **AUTO-TRIGGERS** on ANY request to implement Figma designs including: 'implement this Figma', 'build this page/component from Figma', 'create from Figma design', 'implement design', 'build this block', 'create component from design'. Use for: (1) Building pages/components from Figma, (2) Pixel-perfect accuracy, (3) Responsive layouts, (4) Design token conversion.
Comprehensive guide for TanStack ecosystem in React - Query/DB for data fetching, Form for form handling, and Router for client-side routing. Use when working with collections, live queries, optimistic updates, forms, validation, routing, URL parameters, or navigation.
Comprehensive guide for XState v5 ecosystem including state machines, actors, @xstate/store, and TanStack Query integration. Use when implementing state machines, event-driven stores, client state management, or integrating XState with React and TanStack Query for data fetching orchestration.
High-performance Quarkus framework expertise covering reactive patterns, CDI, build-time augmentation, and cloud-native development. Use for general Quarkus questions.
This skill should be used when the user asks to "use marimo", "create a marimo notebook", "debug a marimo notebook", "inspect cells", "understand reactive execution", "fix marimo errors", "convert from jupyter to marimo", or works with marimo reactive Python notebooks.