# Claude Code

















































































<Callout type="info" title="Project Introduction">
  Unleash Claude's raw power directly in your terminal. Search million-line codebases instantly. Turn hours-long workflows into a single command. Your tools. Your workflow. Your codebase, evolving at thought speed.

  * Official Homepage: [https://www.anthropic.com/claude-code](https://www.anthropic.com/claude-code)
</Callout>

## Demo

<img alt="introduce-01.webp" src={__img0} placeholder="blur" />

<img alt="introduce-02.webp" src={__img1} placeholder="blur" />

### Features

| **Category**                       | **Feature**                                                                                                      |
| ---------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| **Code Understanding**             | Deep codebase analysis, utilizing intelligent agents to search and understand project structure and dependencies |
|                                    | Automatically generates high-level code overviews, quickly helping users understand the codebase                 |
| **Code Editing**                   | Supports multi-file collaborative editing, suitable for complex code modifications                               |
|                                    | Provides practical and usable code suggestions that align with project patterns and architecture                 |
| **Integration Capabilities**       | Supports direct execution in the terminal, eliminating context switching                                         |
|                                    | Seamless integration with VS Code and JetBrains IDEs, no copy-pasting required                                   |
| **Code Generation & Optimization** | Automatically generates code, creates tests, fixes bugs, supporting the complete process from concept to commit  |
|                                    | Optimized for code generation and understanding, combining advanced models like Claude Opus 4                    |
| **Security & Flexibility**         | Changes require explicit user authorization, ensuring safer file and command operations                          |
|                                    | Adapts to user code standards, supports custom configurations                                                    |
| **Toolchain Integration**          | Supports integration with tools like GitHub and GitLab to achieve automated workflows                            |
|                                    | Integrates with test suites and build systems, enhancing existing development tools                              |
| **Cross-Platform & Extensibility** | Supports Windows, macOS, and Linux operating systems                                                             |
|                                    | Configurable to run in SDKs or GitHub Actions, flexibly adapting to different needs                              |
| **Key Application Scenarios**      | Codebase onboarding and understanding, quick ramp-up for new members                                             |
|                                    | Code issue fixing and optimization processes, from problem analysis to PR submission                             |
|                                    | Project code refactoring and new feature implementation                                                          |
| **User Feedback Highlights**       | Improves daily development efficiency, saving time spent on routine tasks                                        |
|                                    | Excellent performance in handling complex multi-step tasks, expanding development possibilities                  |

## AI Model Configuration Method

### Windows Graphical Guide

#### 1. Install Node.js Environment

Claude Code requires a Node.js environment to run.

<Callout type="info" title="Node.js Environment Installation Steps">
  * Open your browser and visit [https://nodejs.org/](https://nodejs.org/)
  * Click the "LTS" version to download (Long Term Support version recommended)
  * After downloading, double-click the .msi file
  * Follow the installation wizard to complete the installation, keeping default settings
</Callout>

<Callout type="warn" title="Windows Notes">
  * It is recommended to use PowerShell instead of CMD
  * If you encounter permission issues, try running as administrator
  * Some antivirus software may report false positives; you may need to add an exception
</Callout>

<img alt="windows-img-01.webp" src={__img2} placeholder="blur" />

<img alt="windows-img-02.webp" src={__img3} placeholder="blur" />

<img alt="windows-img-03.webp" src={__img4} placeholder="blur" />

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<img alt="windows-img-05.webp" src={__img6} placeholder="blur" />

<Callout type="info" title="Verify Installation Success">
  After installation, open PowerShell or CMD and enter the following commands:

  ```bash
  node --version
  npm --version
  ```

  If version numbers are displayed, the installation was successful.
</Callout>

#### 2. Install Git Bash

<Callout type="warn" title="Windows Notes">
  In a Windows environment, Git Bash is required to install Claude Code. After installation, environment variable setup and using Claude Code will still be done in regular PowerShell or CMD.
</Callout>

<Callout type="info" title="Download and Install Git for Windows">
  * Visit [https://git-scm.com/downloads/win](https://git-scm.com/downloads/win)
  * Click "Download for Windows" to download the installer
  * Run the downloaded .exe installation file
  * Keep default settings during installation, and click "Next" to complete the installation
</Callout>

<img alt="windows-img-06.webp" src={__img7} placeholder="blur" />

<img alt="windows-img-07.webp" src={__img8} placeholder="blur" />

<img alt="windows-img-08.webp" src={__img9} placeholder="blur" />

<Callout type="info" title="Verify Git Bash Installation">
  After installation, open Git Bash and enter the following command to verify:

  ```bash
  git --version
  ```

  If a version number is displayed, the installation was successful.
</Callout>

#### 3. Install Claude Code

<Callout type="info" title="Install Claude Code">
  Open PowerShell and run the following command:

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

  This command will download and install the latest version of Claude Code from the official npm repository.
</Callout>

<img alt="windows-img-09.webp" src={__img10} placeholder="blur" />

<Callout type="info" title="Add ~/.local/bin to PATH (only if prompted)">
  ```powershell
  [Environment]::SetEnvironmentVariable('Path', ([Environment]::GetEnvironmentVariable('Path','User') + ";$HOME\.local\bin"), 'User')
  ```
</Callout>

<Callout type="info" title="Verify Claude Code Installation">
  After installation, enter the following command to check if it was successfully installed:

  ```bash
  claude --version
  ```

  If a version number is displayed, congratulations! Claude Code has been successfully installed.
</Callout>

#### 4. Set Environment Variables

<Callout type="info" title="One-Click Setup Command (Windows System)">
  To allow Claude Code to connect to your relay service, you need to set multiple environment variables:
</Callout>

```powershell
iex (irm 'https://raw.githubusercontent.com/QuantumNous/new-api-docs/refs/heads/main/helper/claude-cli-setup.ps1')
```

<img alt="windows-configure" src={__img11} placeholder="blur" />

#### 5. Start Using Claude Code

You can now start using Claude Code!

<Callout type="info" title="Launch Claude Code">
  Open PowerShell and launch Claude Code directly:

  ```bash
  claude
  ```

  To use in a specific project:

  ```bash
  # Navigate to your project directory
  cd C:\path\to\your\project

  # Launch Claude Code
  claude
  ```
</Callout>

<img alt="windows-img-11.webp" src={__img12} placeholder="blur" />

<img alt="windows-img-12.webp" src={__img13} placeholder="blur" />

<img alt="windows-img-13.webp" src={__img14} placeholder="blur" />

<img alt="windows-img-14.webp" src={__img15} placeholder="blur" />

<img alt="windows-img-15.webp" src={__img16} placeholder="blur" />

<Callout type="info" title="Select Model">
  Enter the command:

  ```bash
  /model
  ```

  Press Enter to select a model; usually, the default settings are sufficient.
</Callout>

<img alt="windows-img-16.webp" src={__img17} placeholder="blur" />

<img alt="windows-img-17.webp" src={__img18} placeholder="blur" />

> Note: After modifying environment variables, all models (including officially preset models) will call the custom access point instead of using official account quotas.

### macOS Graphical Guide

#### 1. Install Claude Code CLI

Open Terminal

<img alt="macos-img-01.webp" src={__img19} placeholder="blur" />

<Callout type="info" title="Install Claude Code">
  Open Terminal and run the following command:

  ```bash
  curl -fsSL https://claude.ai/install.sh | bash
  ```

  Optional: Run the provided command when prompted

  ```bash
  echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc && source ~/.bashrc
  ```
</Callout>

<img alt="macos-img-02.webp" src={__img20} placeholder="blur" />

#### 2. Set Environment Variables

To allow Claude Code to connect to a third-party relay service, you need to set environment variables:

<Callout type="info" title="One-Click Setup for Claude Code Environment Variables">
  Enter the command:

  ```bash
  curl -fsSL https://raw.githubusercontent.com/QuantumNous/new-api-docs/refs/heads/main/helper/claude-cli-setup.sh | bash
  ```
</Callout>

<img alt="macos-configure" src={__img21} placeholder="blur" />

<Callout type="info" title="Verify Claude Code Installation">
  After installation, enter the following command to check if it was successfully installed:

  ```bash
  claude --version
  ```

  If a version number is displayed, congratulations! Claude Code has been successfully installed.
</Callout>

#### 3. Start Using Claude Code

You can now start using Claude Code!

<Callout type="info" title="Launch Claude Code">
  Launch Claude Code directly:

  ```bash
  claude
  ```

  To use in a specific project:

  ```bash
  # Navigate to your project directory
  cd /path/to/your/project

  # Launch Claude Code
  claude
  ```
</Callout>

<img alt="macos-img-04.webp" src={__img22} placeholder="blur" />

<img alt="macos-img-05.webp" src={__img23} placeholder="blur" />

<img alt="macos-img-06.webp" src={__img24} placeholder="blur" />

<img alt="macos-img-07.webp" src={__img25} placeholder="blur" />

<img alt="macos-img-08.webp" src={__img26} placeholder="blur" />

<Callout type="info" title="Select Model (Optional)">
  Enter the command:

  ```bash
  /model
  ```

  Press Enter to select an official model; usually, the default model is sufficient.
</Callout>

<img alt="macos-img-09.webp" src={__img27} placeholder="blur" />

<img alt="macos-img-10.webp" src={__img28} placeholder="blur" />

<img alt="macos-img-11.webp" src={__img29} placeholder="blur" />

> Note: After modifying the `ANTHROPIC_BASE_URL` environment variable, all models (including officially preset models) will call the custom access point instead of using official account quotas.

#### 4. macOS Common Issues

<Callout type="info" title="macOS Security Settings Preventing Execution">
  If the system prevents Claude Code from running:

  * Open "System Preferences" → "Security & Privacy"
  * Click "Open Anyway" or "Allow"
  * Or run in Terminal: `sudo spctl --master-disable`
</Callout>

### Linux Graphical Guide

#### 1. Install Claude Code

<img alt="linux-img-01.webp" src={__img30} placeholder="blur" />

<Callout type="info" title="Install Claude Code">
  Open Terminal and run the following command:

  ```bash
  curl -fsSL https://claude.ai/install.sh | bash
  ```

  If you encounter permission issues, you can use sudo:

  ```bash
  sudo curl -fsSL https://claude.ai/install.sh | bash
  ```
</Callout>

<img alt="linux-img-03.webp" src={__img31} placeholder="blur" />

<Callout type="info" title="Verify Claude Code Installation">
  After installation, enter the following command to check if it was successfully installed:

  ```bash
  claude --version
  ```

  If a version number is displayed, congratulations! Claude Code has been successfully installed.
</Callout>

#### 2. Set Environment Variables

To allow Claude Code to connect to your relay service, you need to set two environment variables:

<Callout type="info" title="One-Click Environment Variable Modification">
  Enter the command:

  ```bash
  curl -fsSL https://raw.githubusercontent.com/QuantumNous/new-api-docs/refs/heads/main/helper/claude-cli-setup.sh | bash
  ```
</Callout>

<img alt="macos-configure" src={__img32} placeholder="blur" />

#### 3. Start Using Claude Code

You can now start using Claude Code!

<Callout type="info" title="Launch Claude Code">
  Launch Claude Code directly:

  ```bash
  claude
  ```

  To use in a specific project:

  ```bash
  # Navigate to your project directory
  cd /path/to/your/project

  # Launch Claude Code
  claude
  ```
</Callout>

<img alt="linux-img-03.webp" src={__img33} placeholder="blur" />

<img alt="linux-img-04.webp" src={__img34} placeholder="blur" />

<img alt="linux-img-05.webp" src={__img35} placeholder="blur" />

<Callout type="info" title="Select Model">
  Enter the command:

  ```bash
  /model
  ```

  Press Enter to select an official model; usually, the default model is sufficient.
</Callout>

<img alt="linux-img-06.webp" src={__img36} placeholder="blur" />

<img alt="linux-img-07.webp" src={__img37} placeholder="blur" />

<img alt="linux-img-08.webp" src={__img38} placeholder="blur" />

<img alt="linux-img-09.webp" src={__img39} placeholder="blur" />

> Note: After modifying the `ANTHROPIC_BASE_URL` environment variable, all models (including officially preset models) will call the custom access point instead of using official account quotas.

#### 4. Linux Common Issues

<Callout type="info" title="Missing Dependency Libraries">
  Some Linux distributions require additional dependencies to be installed:

  ```bash
  # Ubuntu/Debian
  sudo apt install build-essential

  # CentOS/RHEL
  sudo dnf groupinstall "Development Tools"
  ```
</Callout>

<Callout type="info" title="Environment Variables Not Taking Effect">
  Check the following points:

  * Confirm that you modified the correct configuration file (`.bashrc` or `.zshrc`)
  * Restart the terminal or run `source ~/.bashrc`
  * Verify settings: `echo $ANTHROPIC_BASE_URL`
</Callout>