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Guide AI agents in writing high-quality TypeScript code. This skill provides coding standards, architecture patterns, and tools for analysis and scaffolding.

40 NestJS best practices organized by priority across architecture, dependency injection, security, and performance. \n \n Covers 10 rule categories from critical (architecture, DI) to low-medium (DevOps), each with specific, actionable patterns and anti-patterns \n Includes rules for modules, controllers, services, error handling, authentication, database optimization, testing, and microservices \n Each rule provides explanation, incorrect vs. correct code examples, and context for when to appl

23 performance optimization rules for React and Vite across build, code splitting, development, assets, environment, and bundle analysis. \n \n Covers six rule categories prioritized by impact: build optimization and code splitting (critical), development and asset handling (high), environment config and bundle analysis (medium) \n Includes route-based lazy loading with React.lazy() and Suspense, manual vendor chunk separation, and strategic prefetching patterns \n Provides recommended vite.conf

Simple, pragmatic, opinionated. Only what matters for writing production-grade python code.

Svelte 5 runes, snippets, and SvelteKit patterns for modern component development. \n \n Covers all Svelte 5 runes ($state, $derived, $effect, $props, $bindable, $inspect) with reactive state and computed value patterns \n Explains snippets syntax ({#snippet}, {@render}) as the replacement for slots and slot props \n Includes event handling migration from on: directives to onclick handlers and callback props, plus SvelteKit load functions and form actions \n Provides TypeScript typing for props,

Comprehensive Next.js development guidelines covering file structure, RSC patterns, data fetching, optimization, and error handling. \n \n Covers 15+ topic areas including file conventions, route segments, RSC boundaries, async patterns, metadata generation, and image/font optimization \n Provides runtime selection guidance, directive usage, and error handling strategies with specific file conventions like error.tsx and not-found.tsx \n Includes data fetching patterns, route handler best practic

PrimeNG rules for component imports, table performance, and theming. Use with the core angular-best-practices skill for comprehensive Angular coverage.

Validate .NET/C# code against comprehensive best practices for your solution and project. \n \n Covers 10+ practice areas including XML documentation, design patterns, dependency injection, async/await, testing standards, and error handling \n Enforces specific patterns: primary constructors for DI, Command Handler pattern with generics, interface segregation, and Factory pattern for object creation \n Includes resource management with ResourceManager for localization, structured logging via Mic

TanStack Query best practices for optimized data fetching, caching, mutations, and server state management in React. \n \n Covers 32 rules across 10 categories: query keys, caching strategies, mutations, error handling, prefetching, infinite queries, SSR integration, parallel queries, performance optimization, and offline support \n Each rule includes explanation, anti-patterns, recommended implementations, and contextual guidance for when to apply \n Prioritized by impact: critical rules preven

Structured performance optimization reference for React Native apps covering FPS, bundle size, TTI, and memory. \n \n Organized into 9 JavaScript/React guides (profiling, lists, animations, memory), 9 native optimization guides (Turbo Modules, threading, profiling), and 9 bundling guides (tree shaking, code splitting, size analysis) \n Each reference follows a hybrid format with quick patterns/commands, impact ratings (CRITICAL/HIGH/MEDIUM), and deep-dive explanations with prerequisites and comm