TypeScript language expertise for writing type-safe, production-quality TypeScript code. Use for TypeScript development, advanced type system features, strict mode, type-safe APIs, and modern...

Create and update slim/native platform interop bindings for Android in .NET MAUI and .NET for Android projects. Guides through creating Java/Kotlin wrappers, configuring Gradle projects, resolving...

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Coding patterns and best practices for OneKey development. Use when writing React components, handling promises, error handling, or following code conventions. Triggers on react, component, hooks,...

Stripe payment integration guidelines for TypeScript, React, Next.js with secure payment processing and subscription management

Craft empathetic, effective customer support responses that solve problems

Implement secure JWT (JSON Web Token) authentication in Node.js applications with access/refresh tokens and role-based access control

Develop native Android apps with Kotlin. Covers MVVM with Jetpack, Compose for modern UI, Retrofit for API calls, Room for local storage, and navigation architecture.

Prevent SQL injection attacks using prepared statements, parameterized queries, and input validation. Use when building database-driven applications securely.

Design and implement serverless applications using AWS Lambda, Azure Functions, and GCP Cloud Functions with event-driven patterns and orchestration.

Implement form validation using React Hook Form, Formik, Vee-Validate, and custom validators. Use when building robust form handling with real-time validation.

Design RESTful APIs following best practices for resource modeling, HTTP methods, status codes, versioning, and documentation. Use when creating new APIs, designing endpoints, or improving...

Essential patterns, idioms, and gotchas for writing Nushell code. Use when writing Nushell scripts, functions, or working with Nushell's type system, pipelines, and data structures. Complements...

Add product analytics events to track user interactions in the Metabase frontend

Expert backend development guidance covering Node.js, Python, Java, Go, API design (REST/GraphQL/gRPC), database patterns, authentication, caching, message queues, microservices, and testing....

Creates complete single-file HTML/CSS/JS web apps with localStorage persistence, ADHD-optimized UI (60px+ buttons), dark mode, and offline functionality. Use when user says "create app", "build...

Implement distributed tracing with correlation IDs, trace propagation, and span tracking across microservices. Use when debugging distributed systems, monitoring request flows, or implementing...

Expert in live streaming, WebRTC, and real-time video/audio

Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.

Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.