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Found 372 Skills
Design robust A/B test experiments. Use when testing a new feature, validating a hypothesis, or optimizing conversion rates.
Platform-specific Docker considerations for Windows, Linux, and macOS
Elite iOS, macOS, watchOS, tvOS, and visionOS development expertise for Swift, SwiftUI, UIKit, Xcode, and the Apple development ecosystem. Automatically activates when working with .swift files, Xcode projects (.xcodeproj, .xcworkspace), SwiftUI interfaces, Apple platform frameworks (UIKit, Core Data, Combine, WidgetKit, App Intents, etc.), app architecture for Apple platforms, or Apple platform development. Not for cross-platform frameworks (React Native, Flutter) or non-Apple platforms.
Design and scaffold the code execution pattern for MCP-based agent systems. Use when building agents that interact with many MCP tools, when intermediate data is too large for model context, when you need loops/conditionals across tool calls, or when PII must stay out of the model context. Based on Anthropic's engineering guidance.
TypeScript strict mode configuration for 2025. Recommended tsconfig.json settings, strict flags explained, moduleResolution strategies (Bundler vs NodeNext), verbatimModuleSyntax, noUncheckedIndexedAccess. Use when setting up TypeScript projects or migrating to stricter type safety.
Comprehensive Windows Git Bash and MINGW path conversion guide for Docker volume mounts and commands
Converse with wisdom mentors — embody the thinking style, worldview, and philosophy of selected intellectual teachers for deep dialogue. Available mentors: Naval Ravikant (wealth, happiness, rational Buddhism), Daniel Schmachtenberger (metacrisis, civilizational design, systems thinking), Mihaly Csikszentmihalyi (flow, optimal experience, creativity), J. Krishnamurti (consciousness, freedom, self-inquiry), Ken Wilber (integral theory, AQAL, stages of development), Thích Viên Minh (Theravāda meditation, present reality, innate awareness), Trần Việt Quân (education, 3 Roots philosophy, kindness community), Thích Nhất Hạnh (mindfulness, interbeing, engaged Buddhism, compassion), Sư Tâm Pháp (Vipassanā, four postures meditation, direct experience, forest monk tradition), Thu Giang Nguyễn Duy Cần (Lao-Zhuang philosophy, art of living, self-education, inner courage), Minh Niệm (heart understanding, emotional healing, modern Buddhist psychology, mindful living). Use when the user wants to: (1) talk to or chat with a specific thinker/mentor, (2) get a perspective from a specific philosopher, (3) explore ideas through dialogue with a wisdom figure, (4) ask "what would [name] say about...", (5) learn a thinker's philosophy through conversation. Also supports adding new custom mentors via template.
Audits and auto-fixes a project's CLAUDE.md against Anthropic best practices. Activates during ship phase — checks conciseness, enforces @import structure for detailed docs, auto-excludes bloat, identifies hook candidates, and auto-fixes structural issues. Flags content questions for developer review.
Design system generation and UI/UX planning intelligence. Use when the user needs to choose a color palette, select fonts, generate a design system, plan a visual direction, or explore UI styles before implementation. Covers 50+ styles, 97 palettes, 57 font pairings across 9 stacks. Do NOT use for building/coding UI — use frontend-design for implementation.
Convert and manipulate images with ImageMagick. Covers format conversion, resizing, batch processing, quality adjustment, and image transformations. Use when user mentions image conversion, resizing images, ImageMagick, magick command, batch image processing, or thumbnail generation.
Claude Code hooks configuration and development. Covers hook lifecycle events, configuration patterns, input/output schemas, and common automation use cases. Use when user mentions hooks, automation, PreToolUse, PostToolUse, SessionStart, SubagentStart, PermissionRequest, WorktreeCreate, WorktreeRemove, TeammateIdle, TaskCompleted, ConfigChange, or needs to enforce consistent behavior in Claude Code workflows.
Core Polaris Web Components fundamentals including component library structure, design tokens, responsive patterns, and SSR compatibility. Auto-invoked when working with Polaris components.