electron-development
Electron development guidelines for building cross-platform desktop applications with JavaScript/TypeScript
elixir
Expert in Elixir and Phoenix development with functional programming patterns
embedded-stm32
Best practices for embedded C/C++ development on STM32 microcontrollers using the HAL, covering peripherals, DMA, interrupts, memory constraints, and hardware-focused testing. Use when writing STM32 HAL code, configuring peripherals generated by STM32CubeMX, working with interrupts or DMA, debugging with SWD/JTAG, managing memory-constrained firmware, or writing hardware-in-the-loop or host-build tests for embedded C.
esbuild-bundler
Best practices and guidelines for esbuild, the ultra-fast JavaScript and TypeScript bundler and minifier
ethereum
Expert guidelines for Ethereum smart contract development with Solidity, OpenZeppelin, and Hardhat
expo-react-native-javascript-best-practices
Expo React Native JavaScript best practices for clean code, functional components, performance optimization, and Expo Router navigation.
expo-react-native-typescript
Expert in Expo React Native TypeScript mobile development with best practices
express-typescript
Guidelines for building robust APIs with Express.js and TypeScript, covering middleware patterns, routing, and security best practices
fastapi-microservices-serverless
Expert in FastAPI microservices for serverless and cloud-native environments
fastapi-python
Expert in FastAPI Python development with best practices for APIs and async operations
fastify-typescript
Guidelines for building high-performance APIs with Fastify and TypeScript, covering validation, Prisma integration, and testing best practices
figma-integration
Guidelines for integrating Figma designs with development workflows using MCP servers and best practices
firebase-development
Firebase development guidelines for Firestore, Authentication, Functions, and Storage with TypeScript and Angular.
fortran
Best practices for modern Fortran (2003/2008+) scientific and numerical computing, covering modules, explicit interfaces, kind parameters, memory safety, and testing. Use when writing or reviewing Fortran source (.f90/.f95/.f03/.f08), defining modules and derived types, choosing numeric kind parameters, working with allocatable arrays, setting up a Fortran build with CMake or fpm, or writing unit tests for numerical code.
front-end-developer
Senior Front-End Developer expertise in ReactJS, NextJS, JavaScript, TypeScript, HTML, CSS, and modern UI/UX frameworks
game-development
Expert guidance for game development with C#/Unity, Lua scripting, and best practices for scalable game architecture
gamemaker-gml
Best practices for GameMaker Language (GML) development, covering scripts, object events, rooms, data structures, and performance-minded game code. Use when writing GML scripts or object event code in GameMaker Studio, structuring create/step/draw events, managing rooms and instances, building state machines for gameplay, or optimizing GML for performance.
gitflow
Branching, merging, versioning, and release conventions for the Gitflow workflow, covering main/develop branches, feature/release/hotfix branches, semantic versioning, and pull request rules. Use when creating a branch, naming a branch, planning a release or hotfix, writing a commit message, or setting up branch protection for a repository that follows Gitflow.
gitlab-workflow
GitLab best practices for merge requests, CI/CD pipelines, issue tracking, and DevOps workflows
google-adk
Best practices for building AI agents with Google's Agent Development Kit (ADK) in Python, covering agent design, tools, sessions, memory, artifacts, evaluation, and deployment. Use when building LLM agents or multi-agent systems with ADK, defining ADK tools, wiring up sessions/state/memory, working with ADK artifacts, writing agent evals, or deploying ADK agents to Vertex AI Agent Engine or Cloud Run.
graphql-development
GraphQL development guidelines with type-safe clients, schema design, and integration with React and Next.js.
graphql
Expert in GraphQL API development with type-safe patterns and optimization
grpc-development
Best practices for building high-performance services with gRPC and Protocol Buffers. Use when designing RPC services, defining protobuf schemas, implementing streaming APIs, setting up gRPC interceptors, or building cross-language service communication.
gsap
Expert guidelines for building high-performance animations with GSAP (GreenSock Animation Platform)
harmony-arkts
Best practices for HarmonyOS application development with ArkTS and ArkUI, covering components, state management, resources, layout, lifecycle, and accessibility. Use when writing .ets component files, using ArkUI decorators like @Component/@State/@Prop/@Link, building layouts with Column/Row/Stack/List, managing HarmonyOS app resources with $r(), or handling component lifecycle and accessibility on HarmonyOS.
hono-typescript
Guidelines for building edge-first, high-performance APIs with Hono and TypeScript for Cloudflare Workers, Deno, Bun, and Node.js
html
Guidelines for semantic HTML markup, document structure, forms, accessibility attributes, and modern HTML best practices
htmx
HTMX development guidelines for building dynamic web applications with minimal JavaScript using HTML attributes.
internationalization-i18n
Implement internationalization (i18n) best practices for web and mobile applications to support multiple languages and locales.
ionic
Ionic development guidelines for building cross-platform mobile applications with Angular, Cordova, and Firebase integration.
java-quarkus-development
Java Quarkus development guidelines for building cloud-native applications with fast startup, minimal memory footprint, and GraalVM native builds
jwt-security
Guidelines for implementing JWT authentication with security best practices for token creation, validation, and storage
kafka-development
Best practices for Apache Kafka event streaming and distributed messaging. Use when building event-driven architectures, implementing producer/consumer patterns, designing topic partitioning strategies, setting up Kafka Streams, configuring schema registries, or integrating change data capture pipelines.
koa-typescript
Guidelines for building modern APIs with Koa.js and TypeScript, featuring the onion middleware model and async/await patterns
kotlin-development
Kotlin development guidelines with best practices for clean code, naming conventions, function design, and data handling
langchain-development
Expert guidance for LangChain and LangGraph development with Python, covering chain composition, agents, memory, and RAG implementations.
laravel-development
Expert guidance for Laravel PHP development following best practices, SOLID principles, and Laravel conventions
less-best-practices
Less CSS best practices and coding guidelines for maintainable, modular stylesheets
lottie
Expert guidelines for implementing performant Lottie animations on the web
lua
Lua development guidelines covering tables, metatables, error handling, game development, and performance optimization.
medusa-development
Best practices for building commerce applications with Medusa v2, the headless e-commerce framework. Use when defining Medusa data models, writing workflows and steps with the Workflow SDK, creating API routes or subscribers, building module services that extend MedusaService, throwing MedusaError, or customizing the Medusa admin dashboard.
meta-prompt
Meta-prompting framework for critiquing responses, analyzing solution trajectories, and evaluating AI-generated content quality
modern-web-development
Modern web development best practices for TypeScript, Next.js 14, React Server Components, Supabase, GraphQL, and Tailwind CSS.
mongodb-development
MongoDB development guidelines with Payload CMS, Mongoose, aggregation pipelines, and TypeScript best practices.
monitoring-guidelines
Monitoring guidelines for applications and infrastructure including metrics collection, alerting strategies, and SLO-based monitoring
monorepo-tamagui
Monorepo development guidelines using Tamagui, Turbo, Next.js, Expo, Supabase, and cross-platform best practices.
monorepo
Best practices for monorepo development with TypeScript, React, Next.js, Expo, Turbo, and related technologies
motion
Expert guidelines for building performant animations with Motion (formerly Motion One) vanilla JavaScript animation library
mqtt-development
Best practices and guidelines for MQTT messaging in IoT and real-time communication systems
mysql-best-practices
MySQL development best practices for schema design, query optimization, and database administration
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