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Found 2,169 Skills
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.
Make data available to multiple child components without prop drilling using React Context.
Apply event study methodology to measure abnormal returns and cumulative abnormal returns (CAR) around corporate or market events. Use this skill when the user needs to quantify the market impact of announcements, design event and estimation windows, or when they ask 'did this event affect stock price', 'how do I calculate abnormal returns', or 'what is the market reaction to this announcement'.
Comprehensive React/TypeScript frontend code review with optional parallel agents
Extract the full design language from any website URL. Produces 8 output files including AI-optimized markdown, visual HTML preview, Tailwind config, React theme, shadcn/ui theme, Figma variables, W3C design tokens, and CSS variables. Also runs WCAG accessibility scoring. Use when user says 'extract design', 'get design system', 'design language', 'design tokens', 'what colors/fonts does this site use', or '/extract-design'.
Zustand 5 state management patterns for React: stores, persistence, selectors, slices. Trigger: When managing global state in React, using Zustand, or implementing state slices.
Generate ReactFlow diagrams as .rfd.json files using a predefined library of custom node types, edge presets, and layout templates. Use when the user wants to visualize architectures, workflows, data flows, or concepts, or wants to convert analysis of a codebase into a diagram viewable in a ReactFlow-based SPA.
Use this skill when adding, placing, configuring, or fixing the Customware support chat widget in the Customware React Router client-only SPA template. It covers root.tsx/root document script loading, route/layout placement, required org/project ids, bubble versus full mode, optional metadata and style options, page-operation support, and constraints for MITB-style code generation.
Full Sentry SDK setup for TanStack Start React. Use when asked to "add Sentry to TanStack Start", "install @sentry/tanstackstart-react", or configure error monitoring, tracing, session replay, logs, or user feedback in a TanStack Start React app.
Generates Jest unit and integration tests in JavaScript or TypeScript. Covers mocking, snapshots, async testing, and React component testing. Use when user mentions "Jest", "describe/it/expect", "jest.mock", "toMatchSnapshot". Triggers on: "Jest", "expect().toBe()", "jest.mock", "snapshot test", "JS test", "React test".
Enforce the no-useEffect rule when writing or reviewing React code. ACTIVATE when writing React components, refactoring existing useEffect calls, reviewing PRs with useEffect, or when an agent adds useEffect "just in case." Provides the five replacement patterns and the useMountEffect escape hatch.