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Found 196 Skills
React useEffect anti-pattern detection and correction guide. Use this skill whenever writing, reviewing, or modifying any React component that contains useEffect, or when about to add a useEffect hook. Also trigger when you see patterns like "setState inside useEffect", "effect chains", "derived state in effect", or "notify parent in effect". Covers 12 specific scenarios where Effects are unnecessary or misused, with correct alternatives. Even if the useEffect looks reasonable at first glance, consult this skill to verify it's truly needed.
Implement Syncfusion React Charts component for data visualization. Use this when creating charts, configuring axes and series, or customizing visualization styles. This skill covers chart types, data binding, user interactions, financial indicators, accessibility features, and professional data visualization in React applications.
Headless utilities for building range and multi-range sliders in TS/JS, React, Vue, Solid, Svelte & Angular.
Modern React composition patterns for 2025/2026. Use when designing component APIs, building shared UI libraries, or refactoring prop-heavy components.
[Pragmatic DDD Architecture] Guide for Server and Client components in Next.js App Router. Use when creating any .tsx file under presentation/components/, pages, or layouts — also when deciding whether to add "use client" to an existing component, passing data from a Server Component to a Client Component, composing Server content inside a Client slot, handling the VO serialization boundary, creating Compound Components, separating logic for Mobile/Desktop screens, or styling with `cva` and `cn`. Covers: Server vs Client decision, async Server Component patterns, creating getSession callbacks for Use Cases, Client Component restrictions, toBranded() boundary pattern, children slot composition, and props interface rules. Depends on 'use-cases' and 'server-actions'.
Composition Patterns teaches agents to build flexible, maintainable React components using compound components, state lifting, internal composition, and the elimination of boolean prop proliferation.
React 19 patterns and breaking changes vs React 18. Trigger: When writing React 19 components/hooks in .tsx (ref as prop, new hooks, Actions, deprecations). If using Next.js App Router/Server Actions, also use nextjs-15.
Agentic workflow for cloning websites with pixel-perfect fidelity using specialized sub-agents. Use when the user wants to clone/copy/replicate a website, create a landing page based on an existing site, or needs to extract and recreate a website's design. Includes orchestration via slash command, four specialized sub-agents (screenshotter, extractor, cloner, qa-reviewer), and outputs React components with Tailwind CSS and motion animations.
Create distinctive, production-grade web interfaces with high design quality. Use for components, pages, dashboards, and full applications that need to stand out from generic AI aesthetics.
Always use this skill when integrating Base UI components `@base-ui-components/react` with Material UI `@mui/material`.
Perses plugin testing: CUE schema unit tests with percli plugin test-schemas, React component tests, integration testing with local Perses server, and Grafana migration compatibility testing. Use for "test perses plugin", "perses plugin test", "perses schema test". Do NOT use for dashboard validation (use perses-lint).
Mockup-to-component pipeline using Google Stitch and 21st.dev. Accepts screenshots, descriptions, or URLs as input and produces production-ready React components. Orchestrates design extraction via Stitch MCP, component matching via 21st.dev registry, and adaptation to project design tokens. Use when converting visual designs to code, implementing UI from mockups, or building components from screenshots.