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with seamless fallback to Anthropic API\n- **Model Mapping**: Automatically maps unsupported model names to compatible alternatives\n- **Streaming Support**: Full support for streaming responses\n- **Request Cleaning**: Sanitizes requests to ensure Anthropic API compatibility\n- **TypeScript**: Written in TypeScript for type safety and better development experience\n- **Structured Logging**: Color-coded, level-based logging for debugging\n- **Configuration**: Flexible configuration via environment variables or config object\n\n## Installation\n\n```bash\n# Clone the repository\ngit clone https://github.com/0xPuncker/claude-code-proxy.git\ncd claude-code-proxy\n\n# Install dependencies\nnpm install\n\n# Build the project\nnpm run build\n\n# Start the server\nnpm start\n```\n\n## Quick Start\n\n### Using npm\n\n```bash\n# Clone the repository\ngit clone https://github.com/0xPuncker/claude-code-proxy.git\ncd claude-code-proxy\n\n# Install dependencies and build\nnpm install\nnpm run build\n\n# Set your API keys\nexport ZAI_API_KEY=\"your-zai-api-key\"\nexport ANTHROPIC_API_KEY=\"your-anthropic-api-key\"\n\n# Start the proxy (defaults to port 4181)\nnpm start\n\n# Or use a custom port\nPROXY_PORT=8080 npm start\n```\n\n### Using Docker\n\n#### Windows Quick Start (Recommended)\n\nThe proxy includes a PowerShell setup script that auto-detects your Windows user profile and Claude credentials:\n\n```powershell\n# Clone the repository\ngit clone https://github.com/0xPuncker/claude-code-proxy.git\ncd claude-code-proxy\n\n# Run the automatic setup script\npowershell -ExecutionPolicy Bypass -File scripts/setup-docker.ps1\n\n# Start the containers\ndocker-compose --env-file .env.docker up -d\n```\n\nThe setup script automatically:\n- Detects your Windows user profile directory\n- Converts Windows paths to Docker format\n- Configures Claude subscription credentials mount\n- Generates `.env.docker` with proper configuration\n\n**⚠️ Windows Limitation:** Due to Docker bind mount permissions on Windows, the Claude subscription credentials file (`~/.claude/.credentials.json`) cannot be read from inside the container. The proxy will work fine with Z.AI as your primary provider. To enable a fallback provider, add your Anthropic API key to `.env.docker`.\n\n#### Quick Start with .env File (Linux/Mac)\n\n```bash\n# Clone the repository\ngit clone https://github.com/0xPuncker/claude-code-proxy.git\ncd claude-code-proxy\n\n# Create environment file from Docker example\ncp .env.docker.example .env.docker\n\n# Edit .env.docker and add your API keys\n# nano .env.docker or code .env.docker\n\n# Build and run with Docker Compose using custom env file\ndocker-compose --env-file .env.docker up -d\n\n# View logs\ndocker-compose --env-file .env.docker logs -f cc-proxy\n\n# Stop the container\ndocker-compose --env-file .env.docker down\n```\n\n#### Docker Environment Files\n\nThe proxy supports multiple environment file patterns:\n\n- **`.env.docker.example`**: Comprehensive Docker environment template with all available configuration options\n- **`.env.example`**: Basic environment template for local development\n- **`.env.docker`**: Your custom Docker environment (not tracked in git)\n\n#### Docker Commands\n\n```bash\n# Using default .env file\ndocker-compose up -d\n\n# Using custom environment file\ndocker-compose --env-file .env.docker up -d\n\n# Using specific environment file\ndocker-compose --env-file .env.production up -d\n\n# Build the Docker image\ndocker-compose build\n\n# Start the container\ndocker-compose up -d\n\n# View logs for specific service\ndocker-compose logs -f cc-proxy\ndocker-compose logs -f cc-db\ndocker-compose logs -f cc-adminer\n\n# View all logs\ndocker-compose logs -f\n\n# Stop the container\ndocker-compose down\n\n# Stop and remove volumes\ndocker-compose down -v\n\n# Restart the container\ndocker-compose restart cc-proxy\n\n# Remove containers and images\ndocker-compose down --rmi all -v\n```\n\n#### Environment Variables Reference\n\nKey Docker environment variables (see `.env.docker.example` for complete list):\n\n```bash\n# Required\nZAI_API_KEY=your-zai-api-key-here\nANTHROPIC_API_KEY=your-anthropic-api-key-here\n\n# Optional (with defaults)\nPROXY_PORT=4181                    # Proxy server port\nPOSTGRES_VERSION=15                # PostgreSQL version\nPOSTGRES_DB=claude_proxy          # Database name\nPOSTGRES_USER=postgres            # Database user\nPOSTGRES_PASSWORD=postgres        # Database password\nADMINER_PORT=8080                  # Adminer UI port\nLOG_LEVEL=info                     # Logging level\nNODE_ENV=production                # Node environment\nRESTART_POLICY=unless-stopped      # Container restart policy\n```\n\n#### Docker Services\n\nThe docker-compose setup includes three services:\n\n- **cc-proxy**: Main proxy server (port 4181)\n- **cc-db**: PostgreSQL database (port 5432) \n- **cc-adminer**: Database management UI (port 8080)\n\n#### Database Access\n\n**Via Adminer Web UI:**\n- URL: `http://localhost:8080`\n- System: PostgreSQL\n- Server: `cc-db`\n- Username: `postgres`\n- Password: `postgres`\n- Database: `claude_proxy`\n\n**Via psql command:**\n```bash\ndocker-compose exec cc-db psql -U postgres -d claude_proxy\n```\n\n**Database Backup/Restore:**\n```bash\n# Backup\ndocker-compose exec cc-db pg_dump -U postgres claude_proxy \u003e backup.sql\n\n# Restore\ndocker-compose exec -T cc-db psql -U postgres claude_proxy \u003c backup.sql\n```\n\n## Usage\n\n### Basic Example\n\n```javascript\n// Use the proxy with any Claude API client\nconst response = await fetch('http://127.0.0.1:4181/v1/messages', {\n  method: 'POST',\n  headers: {\n    'Content-Type': 'application/json',\n    'x-api-key': 'your-anthropic-api-key',\n  },\n  body: JSON.stringify({\n    model: 'claude-sonnet-4-6',\n    messages: [{ role: 'user', content: 'Hello, Claude!' }],\n    max_tokens: 1024,\n  }),\n});\n```\n\n### Configuration Options\n\n```typescript\nimport { ClaudeCodeProxy } from './src/index.js';\n\nconst proxy = new ClaudeCodeProxy({\n  port: 4181,\n  zai: {\n    baseUrl: 'https://api.z.ai/api/anthropic',\n    apiKey: process.env.ZAI_API_KEY || '',\n  },\n  anthropic: {\n    baseUrl: 'https://api.anthropic.com',\n    apiKey: process.env.ANTHROPIC_API_KEY || '',\n  },\n  modelFallbackMap: {\n    'claude-sonnet-4-6': 'claude-sonnet-4-20250514',\n    'claude-opus-4-6': 'claude-sonnet-4-20250514',\n  },\n  fallbackOnCodes: [429, 503, 502],\n  logLevel: 'info', // 'debug' | 'info' | 'warn' | 'error' | 'silent'\n});\n\nproxy.start();\n```\n\n### Environment Variables\n\n- `PROXY_PORT`: Port for the proxy server (default: `4181`)\n- `ZAI_API_KEY`: API key for Z.AI service\n- `ANTHROPIC_API_KEY`: API key for Anthropic Claude API\n\n### Model Mapping\n\nThe proxy automatically maps newer model names to their compatible equivalents:\n\n```javascript\n{\n  \"glm-5\": \"claude-sonnet-4-20250514\",\n  \"glm-4.7\": \"claude-sonnet-4-20250514\",\n  \"glm-4.6\": \"claude-sonnet-4-20250514\",\n  \"glm-4.5\": \"claude-sonnet-4-20250514\",\n  \"glm-4.5-air\": \"claude-haiku-4-5-20251001\",\n  \"claude-sonnet-4-6\": \"claude-sonnet-4-20250514\",\n  \"claude-opus-4-6\": \"claude-sonnet-4-20250514\",\n  \"claude-haiku-4-5\": \"claude-haiku-4-5-20251001\"\n}\n```\n\n## API Reference\n\n### `ClaudeCodeProxy`\n\nMain proxy server class.\n\n#### Constructor\n\n```typescript\nnew ClaudeCodeProxy(config?: Partial\u003cProxyConfig\u003e)\n```\n\n#### Methods\n\n- `start()`: Start the proxy server\n- `stop()`: Stop the proxy server\n\n### `ProxyConfig` Interface\n\n```typescript\ninterface ProxyConfig {\n  port: number;\n  zai: {\n    baseUrl: string;\n    apiKey: string;\n  };\n  anthropic: {\n    baseUrl: string;\n    apiKey: string;\n  };\n  modelFallbackMap: Record\u003cstring, string\u003e;\n  fallbackOnCodes: number[];\n  logLevel?: 'debug' | 'info' | 'warn' | 'error' | 'silent';\n}\n```\n\n## How It Works\n\n1. **Request Interception**: The proxy receives requests destined for the Anthropic API\n2. **Primary Attempt**: Forwards requests to Z.AI API first\n3. **Smart Fallback**: If Z.AI returns specific error codes (429, 503, 502), automatically falls back to Anthropic\n4. **Request Cleaning**: Ensures all requests are Anthropic-compatible\n5. **Model Mapping**: Maps unsupported model names to compatible alternatives\n6. **Response Proxying**: Returns the response to the client transparently\n\n## Logging\n\nThe proxy provides structured, color-coded logging:\n\n```\n[12:34:56] [INFO] → Z.AI POST /v1/messages\n[12:34:57] [OK] ← Z.AI 200\n[12:34:58] [INFO]   model remap: claude-sonnet-4-6 → claude-sonnet-4-20250514\n```\n\nLog levels:\n- **DEBUG**: Detailed information for debugging\n- **INFO**: General informational messages\n- **WARN**: Warning messages for fallbacks\n- **ERROR**: Error messages\n- **SILENT**: Disable all logging\n\n## Development\n\n```bash\n# Install dependencies\nnpm install\n\n# Run in development mode with watch\nnpm run dev\n\n# Run tests\nnpm test\n\n# Run linter\nnpm run lint\n\n# Format code\nnpm run format\n\n# Using Makefile\nmake build          # Build TypeScript\nmake dev            # Run in development mode\nmake test           # Run tests\nmake docker-build   # Build Docker image\nmake docker-run     # Run Docker container\nmake docker-stop    # Stop Docker containers\nmake help           # Show all available commands\n```\n\n## Architecture\n\n```\n┌─────────────┐     ┌─────────────┐     ┌──────────────┐\n│   Client    │────▶│   Proxy     │────▶│  Z.AI API    │\n└─────────────┘     └─────────────┘     └──────────────┘\n                          │                    │\n                          │ fallback           │ error\n                          ▼                    │\n                    ┌─────────────┐           │\n                    │  Request    │           │\n                    │  Cleaning   │           │\n                    └─────────────┘           │\n                          │                    │\n                          ▼                    │\n                    ┌─────────────┐           │\n                    │  Model      │           │\n                    │  Mapping    │           │\n                    └─────────────┘           │\n                          │                    │\n                          ▼                    ▼\n                    ┌──────────────────────────────┐\n                    │    Anthropic API             │\n                    └──────────────────────────────┘\n```\n\n## Contributing\n\nContributions are welcome! Please feel free to submit a Pull Request.\n\n## License\n\nMIT License - see LICENSE file for details.\n\n## Support\n\nFor issues and questions, please use the [GitHub issue tracker](https://github.com/raulneiva/claude-code-proxy/issues).\n\n## Acknowledgments\n\n- Built for the Anthropic Claude ecosystem\n- Inspired by the need for reliable API failover in production environments\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F0xpuncker%2Fclaude-code-proxy","html_url":"https://awesome.ecosyste.ms/projects/github.com%2F0xpuncker%2Fclaude-code-proxy","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F0xpuncker%2Fclaude-code-proxy/lists"}