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Postgres performance optimization rules across 8 priority categories, from query tuning to advanced features. \n \n Organized into 8 rule categories prioritized by impact: query performance and connection management (critical), security and RLS, schema design, concurrency, data access patterns, monitoring, and advanced features \n Each rule includes detailed explanations, incorrect vs. correct SQL examples, EXPLAIN output analysis, and performance metrics to guide optimization decisions \n Cover

51 rules for writing clean, type-safe, modern PHP 8.x code aligned with PSR standards and SOLID principles. \n \n Covers 7 rule categories: type system, modern PHP features (8.0–8.5), PSR standards, SOLID principles, error handling, performance, and security \n Version-aware guidance that detects PHP version from composer.json and runtime, recommending only features available in the target version \n Organized by priority: type safety and security are critical; modern features and SOLID principl

Comprehensive guidance for building Fastify Node.js backends with TypeScript, covering routes, plugins, validation, and production deployment. \n \n Covers 16+ core topics including plugins, route organization, JSON Schema validation, error handling, hooks, authentication, testing, logging with Pino, and TypeScript integration via strip types \n Includes recommended reading paths for common scenarios: new projects, adding authentication, performance optimization, testing setup, and production de

31 Laravel 13 conventions and best practices across architecture, Eloquent, controllers, validation, security, and API design. \n \n Organized into 7 rule categories by priority, from critical architecture and database patterns to medium-impact performance and API design guidance \n Covers essential patterns including service classes, form requests, Eloquent models, migrations, eager loading, and event-driven architecture \n Includes 31 specific rules with prefixes (e.g., arch-service-classes ,

Comprehensive GDScript coding standards and architecture patterns for Godot 4.x game development. \n \n Covers naming conventions, static typing, node references, signal-driven architecture, and resource loading strategies with code examples \n Includes common game patterns: state machines, object pooling, and save/load systems with template implementations \n Provides quick-reference tables for preferred vs. anti-patterns, export annotations, and script structure ordering \n Identifies 10+ comm

Simple, pragmatic, opinionated. Only what matters for writing production-grade PostgreSQL queries.

NgRx SignalStore rules for signal-based local and feature state management. Use with the core angular-best-practices skill for comprehensive Angular coverage.

You are an expert in Sass (the indented syntax), CSS architecture, and maintainable stylesheet development.

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

42 rules across 8 categories for PocketBase v0.36+, prioritized by impact.