Guidelines for building production-ready Convex apps covering function organization, query patterns, validation, TypeScript usage, error handling, and the Zen of Convex design philosophy

Guidelines for building production-ready Convex apps covering function organization, query patterns, validation, TypeScript usage, error handling, and the Zen of Convex design philosophy

Reviews FastAPI code for routing patterns, dependency injection, validation, and async handlers. Use when reviewing FastAPI apps, checking APIRouter setup, Depends() usage, or response models.

Securely manages API credentials for multiple providers (Anthropic Claude, Google Gemini, GitHub). Use when skills need to access stored API keys for external service invocations.

Securely manages API credentials for multiple providers (Anthropic Claude, Google Gemini, GitHub). Use when skills need to access stored API keys for external service invocations.

TanStack Start best practices for full-stack React applications. Server functions, middleware, SSR, authentication, and deployment patterns. Activate when building full-stack apps with TanStack Start.

Idiomatic TypeScript development. Use when writing TypeScript code, Node.js services, React apps, or discussing TS patterns. Emphasizes strict typing, composition, and modern tooling (bun/vite).

Generates distinctive, high-quality frontend designs avoiding generic AI aesthetics. Use when building landing pages, UI components, dashboards, web apps, or any frontend/web design task.

Use when building fintech apps. Keywords: fintech, trading, decimal, currency, financial, money, transaction, ledger, payment, exchange rate, precision, rounding, accounting, 金融, 交易系统, 货币, 支付

Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Invoke for Entity Framework Core, minimal APIs, async patterns, CQRS with MediatR.

Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Invoke for Entity Framework Core, minimal APIs, async patterns, CQRS with MediatR.

Rust to TypeScript error handling patterns for Tauri apps. Use when defining Rust errors that will be passed to TypeScript, handling Tauri command errors, or creating discriminated union error types.

Comprehensive guide for building Solana apps with @solana/kit (web3.js 2.0). Use when you need modern RPC/subscriptions, transaction building, signing, and program interactions in JavaScript/TypeScript.

Build 3D web apps with Three.js (WebGL/WebGPU). Use for 3D scenes, animations, custom shaders, PBR materials, VR/XR experiences, games, data visualizations, product configurators.

Use when building, debugging, or refining animations in SwiftUI iOS/macOS apps. Covers implicit/explicit animations, transitions, gesture-driven interactions, and modern iOS 17+ APIs like...

Use when building, debugging, or refining animations in SwiftUI iOS/macOS apps. Covers implicit/explicit animations, transitions, gesture-driven interactions, and modern iOS 17+ APIs like...

Convert any emoji into favicon and icon assets (PNG, ICO, Apple touch icons). Use when the user needs to create a favicon from an emoji, generate app icons, or convert emoji to PNG images for web projects.

Creates micro-chunked implementation plans stored in .claude/plans/[feature-name]/ - breaks large features into 2-3 task chunks (300-500 tokens) optimized for subagent execution and human review

Use when writing, debugging, or reviewing Playwright tests for web apps; before writing test code; when tests are flaky, slow, or brittle; when seeing timeout errors, element not found, or race...

Convert UI screenshots into working HTML/CSS/React/Vue code. Detects design patterns, components, and generates responsive layouts. Use this when users provide screenshots of websites, apps, or UI...