Agent Skills A collection of agent optimized skills for AI coding assistants. The repo ships raw Agent Skills for assistants that can read skills/ directly, plus marketplace metadata for both Claude Code and Codex plugin workflows. Available Skills Skill Description react native best practices React Native optimization best practices from Callstack github GitHub workflow patterns for PRs, code review, branching github actions GitHub Actions workflow patterns for React Native simulator/emulator build artifacts upgrading react native React Native upgrade workflow: templates, dependencies, and common pitfalls react native brownfield migration Incremental migration strategy to adopt React Native or Expo in native apps using @callstack/react native brownfield, with setup, packaging, and phased integration steps assess react native migration Evidence led assessment for choosing a React Native migration path and defining a representative checkpoint create react native library Scaffold React Native libraries with create react native library React Native Best Practices Performance optimization skills based on The Ultimate Guide to React Native Optimization by Callstack. Covers: JavaScript/React : Profiling, FPS, re renders, lists, state management, animations Native : iOS/Android profiling, TTI, memory management, Turbo Modules Bundling : Bundle analysis, tree shaking, R8, app size optimization Quick Start Claude Code Use the Claude Code marketplace metadata in .claude plugin/marketplace.json . 1. Add the marketplace: [安装/使用命令见下方] 2. Install the skill you want: [安装/使用命令见下方] Other available installs: [安装/使用命令见下方] Or use the interactive menu: [安装/使用命令见下方] For local development: [安装/使用命令见下方] Once installed, Claude will automatically load the relevant skill based on the task. OpenAI Codex This repo supports Codex in two different ways. Option 1: Add the bundled Codex plugins Codex can add the bundled plugins from this repository automatically using .agents/plugins/marketplace.js