Development skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

code-showcase-core-components

Core component library and design system patterns. Use when building UI, using design tokens, or working with the component library.

43.34k repo starsObserved in 2 repos
Development

ruby

Language-specific super-code guidelines for ruby.

43.34k repo starsObserved in 1 repos
Development

ccxt-java

CCXT cryptocurrency exchange library for Java developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in Java projects. Use when working with crypto exchanges in Java applications, trading systems, or financial software. Requires Java 21+.

43.30k repo starsObserved in 1 repos
Development

ccxt-php

CCXT cryptocurrency exchange library for PHP developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in PHP 8.1+. Use when working with crypto exchanges in PHP projects, trading bots, or web applications. Supports both sync and async (ReactPHP) usage.

43.30k repo starsObserved in 1 repos
Development

ccxt-python

CCXT cryptocurrency exchange library for Python developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in Python. Use when working with crypto exchanges in Python projects, trading bots, data analysis, or portfolio management. Supports both sync and async (asyncio) usage.

43.30k repo starsObserved in 1 repos
Development

ccxt-typescript

CCXT cryptocurrency exchange library for TypeScript and JavaScript developers (Node.js and browser). Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors. Use when working with crypto exchanges in TypeScript/JavaScript projects, trading bots, arbitrage systems, or portfolio management tools. Includes both REST and WebSocket examples.

43.30k repo starsObserved in 1 repos
Development

new-exchange

Scaffold a new CCXT exchange integration in TypeScript, following the certified-exchange template. Walks through describe(), required unified methods, parsers, capability flags, sandbox setup, and static fixtures. Use when adding support for an exchange that does not exist yet under ts/src/.

43.30k repo starsObserved in 1 repos
Development

vercel-react-best-practices

React and Next.js performance optimization guidelines from Vercel Engineering. Use when writing, reviewing, or refactoring React/Next.js code involving components, Next.js pages, Server Components, Server Actions, data fetching, bundle size, rendering behavior, or performance improvements.

42.34k repo starsObserved in 1 repos
Development

nextjs-pages-router

Set up tRPC in Next.js Pages Router with createNextApiHandler, createTRPCNext, withTRPC HOC, SSR via ssr option and ssrPrepass, SSG via createServerSideHelpers with getStaticProps, and server-side helpers for getServerSideProps prefetching.

40.43k repo starsObserved in 1 repos
Development