PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.

OAuth 2.1 + JWT authentication security best practices. Use when implementing auth, API authorization, token management. Follows RFC 9700 (2025).

Guidelines for semantic HTML markup, document structure, forms, accessibility attributes, and modern HTML best practices

RAG-specific best practices for LlamaIndex, ChromaDB, and Celery workers. Covers ingestion, retrieval, embeddings, and performance.

Shared Python best practices for LlamaFarm. Covers patterns, async, typing, testing, error handling, and security.

Guidelines for ASP.NET Core web development covering API design, authentication, caching, and best practices

Tailwind CSS v4, design tokens, responsive patterns ve utility-first CSS best practices.

Build WebGPU render and compute pipelines with portable best practices.

Research any topic from the last 30 days on Reddit + X + Web, synthesize findings, and write copy-paste-ready prompts. Use when the user wants recent social/web research on a topic, asks "what are...

High-level PyTorch framework with Trainer class, automatic distributed training (DDP/FSDP/DeepSpeed), callbacks system, and minimal boilerplate. Scales from laptop to supercomputer with same code....

RSpec testing best practices for Ruby and Rails applications, covering test organization, data management, and isolation patterns.

Monorepo development guidelines using Tamagui, Turbo, Next.js, Expo, Supabase, and cross-platform best practices.

Design and build well-crafted command-line interfaces following modern best practices. This skill should be used when creating CLI tools, adding commands/subcommands, implementing help text,...

Expert guidance for Three.js and React Three Fiber development with modern React, TypeScript, and performance best practices

Cypress end-to-end testing best practices for web applications, covering test structure, commands, and reliability patterns.

This skill should be used when the user asks to "create a plugin", "scaffold a plugin", "understand plugin structure", "organize plugin components", "set up plugin.json", "use...

Best practices for CSS development including modern layout techniques, naming conventions, theming, and maintainable stylesheet architecture

Generates README files, API documentation, and inline code comments following best practices. Use when creating project documentation, writing READMEs, documenting APIs, or explaining complex code.

Professional project folder cleanup and organization. Use when a user wants to clean up a messy project directory, remove duplicate files, consolidate scattered documentation, delete stale or...

Performance optimization guidelines for web development including server-side rendering, CSS best practices, and JavaScript optimization