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Found 2,379 Skills
Guides the agent through Capacitor app development with React — project structure, hooks for native features, state management patterns, using Capacitor plugins in React components, and React-specific best practices. Do not use for Ionic Framework with React (use ionic-react), migrating or upgrading Capacitor apps or plugins, or non-React frameworks.
Provides the complete, verified grep scan command library for auditing React codebases before a React 18.3.1 or React 19 upgrade. Use this skill whenever running a migration audit - for both the react18-auditor and react19-auditor agents. Contains every grep pattern needed to find deprecated APIs, removed APIs, unsafe lifecycle methods, batching vulnerabilities, test file issues, dependency conflicts, and React 19 specific removals. Always use this skill when writing audit scan commands - do not rely on memory for grep syntax, especially for the multi-line async setState patterns which require context flags.
Preserve React 18 concurrent patterns and adopt React 19 APIs (useTransition, useDeferredValue, Suspense, use(), useOptimistic, Actions) during migration.
Implement responsive Syncfusion React Sidebar component for navigation layouts. Use this when building responsive navigation menus, drawer layouts, or collapsible sidebars with various display modes (Over, Push, Slide). This skill covers sidebar configuration, animations, backdrop overlays, keyboard accessibility, and integration with multi-level navigation systems.
Modern React composition patterns for 2025/2026. Use when designing component APIs, building shared UI libraries, or refactoring prop-heavy components.
React rendering performance patterns. Use when reducing re-renders, optimizing memoization, state design, or reviewing React performance.
Build AI agent interfaces with Polpo UI — composable React chat components, CLI tools, and starter templates. Use when the user wants to create a chat app, add chat components, install @polpo-ai/chat, scaffold a Polpo project, configure theming/dark mode, use ChatInput, ChatMessage, ChatSessionList, or any Polpo UI component. Triggers on "polpo ui", "chat UI", "chat component", "@polpo-ai/chat", "@polpo-ai/ui", "create-polpo-app", "chat input", "session list", "agent selector", "chat interface", "polpo chat", "chat widget", "multi-agent".
Diagnose, improve, and prevent performance regressions in Expo-based React Native apps using release-build profiling, KPI budgets, and targeted fixes across startup, rendering, lists, images, memory, and networking.
Implement Syncfusion React Sankey Chart to visualize energy flows, process dependencies, and hierarchical relationships between nodes. Use this skill when creating Sankey diagrams, flow visualizations, or node-link networks. Covers installation, nodes and links configuration, labeling, legends, tooltips, events, appearance customization, RTL support, accessibility, and export features.
PostHog integration for React applications using TanStack Router with file-based routing
Fast synchronous key-value storage for React Native via react-native-mmkv (Nitro-backed). Covers creating and configuring MMKV instances, reading/writing all value types (string, number, boolean, buffer), React hooks for reactive UI, value-change listeners, encryption, AsyncStorage migration, and state-management integrations (zustand, redux-persist, jotai, react-query). Also covers storage limits, multi-process mode, and the V4 upgrade from the class-based API.
Fast native networking primitives for React Native built on Nitro Modules — react-native-nitro-fetch, react-native-nitro-websockets, and react-native-nitro-text-decoder. Covers the fetch API, global replacement, prefetching and cold-start cache warming, the NitroWebSocket class and pre-warming, migrating from React Native's built-in WebSocket, the in-process NetworkInspector, native Perfetto / Instruments tracing, the native TextDecoder, and plugging nitro-fetch into axios via a custom adapter.