v1.4.0: Major Skills Expansion - 75 Total Skills

skills/claude-codex-settings/INSTALL.md

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+# Installation Guide
+
+Complete installation guide for Claude Code, dependencies, and this configuration.
+
+> Use the [plugin marketplace](README.md#installation) to install agents/commands/hooks/MCP. You'll still need to complete prerequisites and create the AGENTS.md symlink.
+
+## Prerequisites
+
+### Claude Code
+
+Install Claude Code using the native installer (no Node.js required):
+
+**macOS/Linux/WSL:**
+
+```bash
+# Install via native installer
+curl -fsSL https://claude.ai/install.sh | bash
+
+# Or via Homebrew
+brew install --cask claude-code
+
+# Verify installation
+claude --version
+```
+
+**Windows PowerShell:**
+
+```powershell
+# Install via native installer
+irm https://claude.ai/install.ps1 | iex
+
+# Verify installation
+claude --version
+```
+
+**Migrate from legacy npm installation:**
+
+```bash
+claude install
+```
+
+Optionally install IDE extension:
+
+- [Claude Code VSCode extension](https://docs.claude.com/en/docs/claude-code/vs-code) for IDE integration
+
+### OpenAI Codex
+
+Install OpenAI Codex:
+
+```bash
+npm install -g @openai/codex
+```
+
+Optionally install IDE extension:
+
+- [Codex VSCode extension](https://developers.openai.com/codex/ide) for IDE integration
+
+### Required Tools
+
+#### jq (JSON processor - required for hooks)
+
+**macOS:**
+
+```bash
+brew install jq
+```
+
+**Ubuntu/Debian:**
+
+```bash
+sudo apt-get install jq
+```
+
+**Other Linux distributions:**
+
+```bash
+# Check your package manager, e.g.:
+# sudo yum install jq (RHEL/CentOS)
+# sudo pacman -S jq (Arch)
+```
+
+#### GitHub CLI (required for pr-manager agent)
+
+**macOS:**
+
+```bash
+brew install gh
+```
+
+**Ubuntu/Debian:**
+
+```bash
+sudo apt-get install gh
+```
+
+**Other Linux distributions:**
+
+```bash
+# Check your package manager, e.g.:
+# sudo yum install gh (RHEL/CentOS)
+# sudo pacman -S github-cli (Arch)
+```
+
+### Code Quality Tools
+
+```bash
+# Python formatting (required for Python hook)
+pip install ruff
+
+# Prettier for JS/TS/CSS/JSON/YAML/HTML/Markdown/Shell formatting (required for prettier hooks)
+# Note: npm is required for prettier even though Claude Code no longer needs it
+npm install -g prettier@3.6.2 prettier-plugin-sh
+```
+
+## Post-Installation Setup
+
+### Create Shared Agent Guidance
+
+Create a symlink for cross-tool compatibility ([AGENTS.md](https://agents.md/)):
+
+```bash
+ln -s CLAUDE.md AGENTS.md
+```
+
+This lets tools like [OpenAI Codex](https://openai.com/codex/), [Gemini CLI](https://github.com/google-gemini/gemini-cli), [Cursor](https://cursor.com), [Github Copilot](https://github.com/features/copilot) and [Qwen Code](https://github.com/QwenLM/qwen-code) reuse the same instructions.