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https://github.com/sugyan/claude-code-webui

Web-based interface for Claude CLI with streaming chat responses
https://github.com/sugyan/claude-code-webui

claude claude-cli web-ui

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Web-based interface for Claude CLI with streaming chat responses

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README

          

# 🌐 Claude Code Web UI

[![npm Version](https://img.shields.io/npm/v/claude-code-webui)](https://www.npmjs.com/package/claude-code-webui)
[![npm Downloads](https://img.shields.io/npm/dt/claude-code-webui)](https://www.npmjs.com/package/claude-code-webui)
[![License](https://img.shields.io/github/license/sugyan/claude-code-webui)](https://github.com/sugyan/claude-code-webui/blob/main/LICENSE)
[![CI](https://github.com/sugyan/claude-code-webui/actions/workflows/ci.yml/badge.svg)](https://github.com/sugyan/claude-code-webui/actions/workflows/ci.yml)
[![GitHub Release](https://img.shields.io/github/v/release/sugyan/claude-code-webui)](https://github.com/sugyan/claude-code-webui/releases)

> **A modern web interface for Claude Code CLI** - Transform your command-line coding experience into an intuitive web-based chat interface

[🎬 **View Demo**](https://github.com/user-attachments/assets/33e769b0-b17e-470b-8163-c71ef186b5af)

## 📱 Screenshots

| Desktop Interface | Mobile Experience |
| -------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
| Desktop Interface | Mobile Interface |
| _Chat-based coding interface with instant responses and ready input field_ | _Mobile-optimized chat experience with touch-friendly design_ |

💡 Light Theme Screenshots

| Desktop (Light) | Mobile (Light) |
| ----------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- |
| Desktop Light Theme | Mobile Light Theme |
| _Clean light interface for daytime coding sessions_ | _iPhone SE optimized light theme interface_ |

🔧 Advanced Features

| Desktop Permission Dialog | Mobile Permission Dialog |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Permission Dialog | Mobile Permission |
| _Secure tool access with granular permission controls and clear approval workflow_ | _Touch-optimized permission interface for mobile devices_ |

---

## 📑 Table of Contents

- [✨ Why Claude Code Web UI?](#-why-claude-code-web-ui)
- [🚀 Quick Start](#-quick-start)
- [⚙️ CLI Options](#-cli-options)
- [🚨 Troubleshooting](#-troubleshooting)
- [🔧 Development](#-development)
- [🔒 Security Considerations](#-security-considerations)
- [📚 Documentation](#-documentation)
- [❓ FAQ](#-faq)
- [🤝 Contributing](#-contributing)
- [📄 License](#-license)

---

## ✨ Why Claude Code Web UI?

**Transform the way you interact with Claude Code**

Instead of being limited to command-line interactions, Claude Code Web UI brings you:

| CLI Experience | Web UI Experience |
| ----------------------------- | ---------------------------- |
| ⌨️ Terminal only | 🌐 Any device with a browser |
| 📱 Desktop bound | 📱 Mobile-friendly interface |
| 📝 Plain text output | 🎨 Rich formatted responses |
| 🗂️ Manual directory switching | 📁 Visual project selection |

### 🎯 Key Features

- **📋 Permission Mode Switching** - Toggle between normal and plan mode execution
- **🔄 Real-time streaming responses** - Live Claude Code output in chat interface
- **📁 Project directory selection** - Visual project picker for context-aware sessions
- **💬 Conversation history** - Browse and restore previous chat sessions
- **🛠️ Tool permission management** - Granular control over Claude's tool access
- **🎨 Dark/light theme support** - Automatic system preference detection
- **📱 Mobile-responsive design** - Touch-optimized interface for any device

---

## 🚀 Quick Start

Get up and running in under 2 minutes:

### Option 1: npm Package (Recommended)

```bash
# Install globally via npm
npm install -g claude-code-webui

# Start the server
claude-code-webui

# Open browser to http://localhost:8080
```

### Option 2: Binary Release

```bash
# Download and run (macOS ARM64 example)
curl -LO https://github.com/sugyan/claude-code-webui/releases/latest/download/claude-code-webui-macos-arm64
chmod +x claude-code-webui-macos-arm64
./claude-code-webui-macos-arm64

# Open browser to http://localhost:8080
```

### Option 3: Development Mode

```bash
# Backend (choose one)
cd backend && deno task dev # Deno runtime
cd backend && npm run dev # Node.js runtime

# Frontend (new terminal)
cd frontend && npm run dev

# Open browser to http://localhost:3000
```

### Prerequisites

- ✅ **Claude CLI** installed and authenticated ([Get it here](https://github.com/anthropics/claude-code))
- ✅ **Node.js >=20.0.0** (for npm installation) or **Deno** (for development)
- ✅ **Modern browser** (Chrome, Firefox, Safari, Edge)
- ✅ **dotenvx** (for development): [Install guide](https://dotenvx.com/docs/install)

---

## ⚙️ CLI Options

The backend server supports the following command-line options:

| Option | Description | Default |
| ---------------------- | --------------------------------------------------------- | ----------- |
| `-p, --port ` | Port to listen on | 8080 |
| `--host ` | Host address to bind to (use 0.0.0.0 for all interfaces) | 127.0.0.1 |
| `--claude-path ` | Path to claude executable (overrides automatic detection) | Auto-detect |
| `-d, --debug` | Enable debug mode | false |
| `-h, --help` | Show help message | - |
| `-v, --version` | Show version | - |

### Environment Variables

- `PORT` - Same as `--port`
- `DEBUG` - Same as `--debug`

### Examples

```bash
# Default (localhost:8080)
claude-code-webui

# Custom port
claude-code-webui --port 3000

# Bind to all interfaces (accessible from network)
claude-code-webui --host 0.0.0.0 --port 9000

# Enable debug mode
claude-code-webui --debug

# Custom Claude CLI path (for non-standard installations or aliases)
claude-code-webui --claude-path /path/to/claude

# Using environment variables
PORT=9000 DEBUG=true claude-code-webui
```

---

## 🚨 Troubleshooting

### Claude CLI Path Detection Issues

If you encounter "Claude Code process exited with code 1" or similar errors, this typically indicates Claude CLI path detection failure.

**Quick Solution:**

```bash
claude-code-webui --claude-path "$(which claude)"
```

**Common scenarios requiring explicit path specification:**

- **Node.js environment managers** (Volta, asdf, nvm, etc.)
- **Custom installation locations**
- **Shell aliases or wrapper scripts**

**Environment-specific commands:**

```bash
# For Volta users
claude-code-webui --claude-path "$(volta which claude)"

# For asdf users
claude-code-webui --claude-path "$(asdf which claude)"
```

**Native Binary Installation:**
Supported. Script path detection may fail and show warnings, but the application will work correctly as long as the Claude executable path is valid.

**Debug Mode:**
Use `--debug` flag for detailed error information:

```bash
claude-code-webui --debug
```

---

## 🔧 Development

### Setup

```bash
# Clone repository
git clone https://github.com/sugyan/claude-code-webui.git
cd claude-code-webui

# Install dotenvx (see prerequisites)

# Start backend (choose one)
cd backend
deno task dev # Deno runtime
# OR
npm run dev # Node.js runtime

# Start frontend (new terminal)
cd frontend
npm run dev
```

### Port Configuration

Create `.env` file in project root:

```bash
echo "PORT=9000" > .env
```

Run with dotenvx to use the `.env` file:

```bash
# Backend
cd backend
dotenvx run --env-file=../.env -- deno task dev # Deno
dotenvx run --env-file=../.env -- npm run dev # Node.js

# Frontend (uses Vite's built-in .env support)
cd frontend
npm run dev
```

Alternative: Set environment variables directly:

```bash
PORT=9000 deno task dev # Deno
PORT=9000 npm run dev # Node.js
```

---

## 🔒 Security Considerations

**Important**: This tool executes Claude CLI locally and provides web access to it.

### ✅ Safe Usage Patterns

- **🏠 Local development**: Default localhost access
- **📱 Personal network**: LAN access from your own devices

### ⚠️ Security Notes

- **No authentication**: Currently no built-in auth mechanism
- **System access**: Claude can read/write files in selected projects
- **Network exposure**: Configurable but requires careful consideration

### 🛡️ Best Practices

```bash
# Local only (recommended)
claude-code-webui --port 8080

# Network access (trusted networks only)
claude-code-webui --port 8080 --host 0.0.0.0
```

**Never expose to public internet without proper security measures.**

---

## 📚 Documentation

For comprehensive technical documentation, see [CLAUDE.md](./CLAUDE.md) which covers:

- Architecture overview and design decisions
- Detailed development setup instructions
- API reference and message types

---

## ❓ FAQ

Q: Do I need Claude API access?

Yes, you need the Claude CLI tool installed and authenticated. The web UI is a frontend for the existing Claude CLI.

Q: Can I use this on mobile?

Yes! The web interface is fully responsive and works great on mobile devices when connected to your local network.

Q: Is my code safe?

Yes, everything runs locally. No data is sent to external servers except Claude's normal API calls through the CLI.

Q: Can I deploy this to a server?

While technically possible, it's designed for local use. If deploying remotely, ensure proper authentication and security measures.

Q: How do I update?

Download the latest binary from releases or pull the latest code for development mode.

Q: What if Claude CLI isn't found or I get "process exited with code 1"?

These errors typically indicate Claude CLI path detection issues. See the [Troubleshooting](#-troubleshooting) section for detailed solutions including environment manager workarounds and debug steps.

---

## 🔗 Related Projects

**Alternative Claude Code Web UIs:**

- **[siteboon/claudecodeui](https://github.com/siteboon/claudecodeui)**
- A popular web-based Claude Code interface with mobile and remote management focus
- Offers additional features for project and session management
- Great alternative if you need more advanced remote access capabilities

Both projects aim to make Claude Code more accessible through web interfaces, each with their own strengths and approach.

---

## 🤝 Contributing

We welcome contributions! Please see our [development setup](#-development) and feel free to:

- 🐛 Report bugs
- ✨ Suggest features
- 📝 Improve documentation
- 🔧 Submit pull requests

**Fun fact**: This project is almost entirely written and committed by Claude Code itself! 🤖
We'd love to see pull requests from your Claude Code sessions too :)

---

## 📄 License

MIT License - see [LICENSE](LICENSE) for details.

---

**Made with ❤️ for the Claude Code community**

[⭐ Star this repo](https://github.com/sugyan/claude-code-webui) • [🐛 Report issues](https://github.com/sugyan/claude-code-webui/issues) • [💬 Discussions](https://github.com/sugyan/claude-code-webui/discussions)