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Found 457 Skills
Diagnose and resolve common issues during spec-driven development and implementation. Learn strategies for handling spec-reality divergence, dependency blocks, unclear requirements, and other execution challenges.
Complete guide for Rust systems programming including ownership, borrowing, concurrency, async programming, unsafe code, and performance optimization
This skill should be used when profiling code, optimizing bottlenecks, benchmarking, or when "performance", "profiling", "optimization", or "--perf" are mentioned.
Modern React development with hooks, component patterns, state management, and performance optimization for building scalable applications
Router for 3D building game mechanics in Three.js. Use when creating survival games, sandbox builders, base builders, or any game with player-constructed structures. Routes to 9 specialized skills for performance, physics, multiplayer, terrain, decay, UX, platform support, and design reference. Start here for building mechanics projects.
Implement animations using the Motion library. Use when adding motion, transitions, gestures, scroll effects, or interactive animations to components. Triggered by implementation requests, not conceptual discussions.
Vitest testing framework expert for Vite integration, Jest migration, browser mode testing, and performance optimization
Automatically cache optimizer for React Data Fetching following React 18+ best practices
Multi-language Workers development with Rust, Python, and WebAssembly. Use when building Workers in languages other than JavaScript/TypeScript, or when integrating WASM modules for performance-critical code.
Debugs and resolves common uv issues. Learn to diagnose dependency resolution failures, handle version conflicts, fix cache problems, troubleshoot Python environment issues, optimize performance, and solve platform-specific problems. Use when uv commands fail, dependencies won't resolve, cache is corrupted, Python installation issues occur, or performance is slow.
Senior Node.js developer. Use when building, reviewing, or refactoring Node.js applications. Enforces modern Node.js 22+ patterns, native APIs, performance, and production-ready practices.
SwiftUI architecture patterns, state management with @Observable, view composition, navigation, performance optimization, and modern iOS/macOS UI best practices.