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Claude Code

Claude Code
: How to use it, features, and the business problems it solves

# Code Generation

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Try Claude Code

What is Claude Code?

An AI coding assistant that runs in the terminal. Using natural language instructions, it automates code editing, bug fixing, test execution, and Git operations to boost development productivity. It understands entire projects and handles complex tasks rapidly. Easily installed via npm, with a design that prioritizes security and privacy.

Business problems it solves

About "Claude Code"

How to Use

  1. Install Node.js and npm

    Claude Code runs on Node.js. Install Node.js version 18 or higher from the official site. npm is included with Node.js.

  2. Install Claude Code

    Open a terminal and run the following command to install Claude Code globally:

    npm install -g @anthropic-ai/claude-code

  3. Navigate to your working directory

    In the terminal, move to the project directory you want to work in:

    cd path/to/your/project

  4. Launch Claude Code

    Start Claude Code with the following command:

    claude

  5. Enter a prompt

    Once launched, type natural language instructions to Claude in the terminal — for example: "Review the code in this directory."

  6. Review and apply output

    Review Claude's output (code suggestions, proposed changes, etc.) and incorporate it into your project as needed.

Features

  • Natural language code operations

    Generate, modify, and review code using natural language instructions in the terminal.

  • Local file read/write

    Reads files in your project to analyze and modify their content.

  • Multi-step instruction handling

    Handles complex instructions involving multiple steps in sequence.

  • Code optimization and refactoring

    Analyzes existing code and suggests optimizations and refactoring.

  • Error detection and fix suggestions

    Detects errors in code and suggests fixes.

  • Multi-language support

    Supports Python, JavaScript, TypeScript, and other programming languages.

  • Security and privacy

    Runs locally — code and data are not sent externally.

  • VS Code and IDE integration

    Integrates with Visual Studio Code and other IDEs for a seamless development experience.

Pricing

FreeProMax
Monthly price$0$20$100 / $200
Available modelsClaude 3.5 SonnetClaude 3.5 Sonnet, Opus, HaikuClaude 3.5 Sonnet, Opus, Haiku
Usage limits~10 uses per 4–5 hoursNear-unlimited5× ($100) or 20× ($200) Pro usage
Priority accessNoYesYes
Early feature accessNoYesYes
Google Workspace integrationNoYesYes
Extended thinking modeNoYesYes
Try Claude Code

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A systematic guide to Claude Code's /rewind, /fork, /clear, and /compact commands. Covers how the context window works, checkpointing strategies, real-world scenarios, and a decision flowchart for using each command — turning session management into a core development strategy.

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[2026 Edition] The Complete Guide to Claude Code: From Installation to Advanced Techniques

A comprehensive guide covering Claude Code installation, basic operations, practical tips, and pricing plans. Packed with best practices you can apply immediately to real projects — suitable for beginners through intermediate users.

[2026 Edition] The Complete Guide to Claude Code: From Installation to Advanced Techniques

[Claude Code Primer] Core Features and Getting Started with a Terminal-Based AI Coding Agent

A beginner-friendly introduction to Claude Code, the terminal-centric AI coding tool. Explains core features, practical use cases, and step-by-step setup instructions.

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A side-by-side comparison of the leading AI coding tools — Claude Code, Cursor, Codex, and Antigravity. Guides you to the right choice based on features, strengths, and ideal use cases.

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