Claude Code Guide

The Complete Claude Code CLI Guide

[](https://code.claude.com/docs/en/overview) [](https://github.com/anthropics/claude-code) [](https://www.npmjs.com/package/@anthropic-ai/claude-code) [](#auto-update-pipeline)

**Quick Links:** [Get Started](#what-is-claude-code) · [Commands](#quick-reference) · [MCP Setup](https://code.claude.com/docs/en/mcp) · [Settings](https://code.claude.com/docs/en/settings) · [SDK](https://code.claude.com/docs/en/sdk) · [Changelog](#changelog)

**🔄 Live Guide**: Auto-updated every 2 days from [official docs](https://code.claude.com/docs/en/overview), [GitHub releases](https://github.com/anthropics/claude-code/releases), and [Anthropic changelog](https://www.anthropic.com/changelog). See [update-log.md](./update-log.md).

**🤖 For AI Agents**: Optimized for both humans and AI. `[OFFICIAL]` = from code.claude.com. `[COMMUNITY]` = observed patterns. `[EXPERIMENTAL]` = unverified.

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What is Claude Code?

**Claude Code is an agentic AI coding assistant that lives in your terminal.** It understands your codebase, edits files directly, runs commands, and helps you code faster through natural language conversation.

**Key Capabilities:**

• 💬 Natural language interface in your terminal
• 📝 Direct file editing and command execution
• 🔍 Full project context awareness
• 🔗 External integrations via MCP (Model Context Protocol)
• 🤖 Extensible via Skills, Hooks, and Plugins
• 🛡️ Sandboxed execution for security

**Installation:**

# Quick Install (macOS, Linux, WSL)
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude