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Found 7,847 Skills
React Testing Library best practices for writing maintainable, user-centric tests. Use when writing, reviewing, or refactoring RTL tests. Triggers on test files, testing patterns, getBy/queryBy queries, userEvent, waitFor, and component testing.
Activate this when users need to understand extreme events (bubbles, crashes, mass hysteria, cults, mob behavior), diagnose systemic organizational failures, or assess the risk of multiple psychological/market/institutional forces aligning in the same direction. Typical trigger signals: the phenomenon described by the user "far exceeds what any single factor can explain"; the user attempts to explain an extreme outcome with a single cause; the user is concerned about "multiple adverse factors erupting simultaneously". Not applicable to conventional single-factor decision analysis or assessment of mild incremental changes.
Build good-looking web interfaces. Use when: - User asks you to build a web app, website, landing page, or HTML page - User asks for a one-off tool, utility, or demo app - User is starting a new frontend project - User wants to improve how something looks - User mentions UI, design, styling, or making something look better This applies to ANY frontend work, not just "design" tasks. Even simple apps benefit from basic design principles.
Browser automation and testing using chrome-devtools MCP server. Use when automating web browsers, taking screenshots, inspecting console logs, monitoring network requests, testing responsive layouts, collecting performance metrics, or debugging web applications. Critical for visual testing workflows and browser-based automation tasks.
Localize and dub videos using each::sense AI. Translate audio, generate subtitles, clone voices, and create lip-synced multilingual versions of your video content.
PostHog integration for Expo applications
Dot-pattern rendering technique that simulates shades with a limited palette for nostalgic, retro, high-contrast visuals.
Two-dimensional minimalist style with vibrant colors, clean typography, and no 3D effects for fast, user-friendly interfaces.
Magazine-inspired editorial layout with refined serif typography, structured grids, and elegant reading experiences.
Smooth color transitions and gradient-rich surfaces for modern, playful interfaces with visual depth.
App dashboard with purple-themed aesthetic, top-bar navigation, card-based layouts, and developer-first workflows.
Soft, extruded UI elements with inner and outer shadows on monochromatic surfaces for a tactile, embedded look.