DeepSeek MCP Server

- Multi-Model Support: Choose from various DeepSeek models including DeepSeek Chat and DeepSeek Coder
- Code Review Focus: Built-in system prompt for detailed code analysis with markdown output
- Automatic File Handling: Built-in file management with direct path integration
- API Account Management: Check balance and estimate token usage
- JSON Mode Support: Request structured JSON responses for easy parsing
- Advanced Error Handling: Graceful degradation with structured error logging
- Improved Retry Logic: Automatic retries with configurable exponential backoff for API calls
- Security: Configurable file type restrictions and size limits
- Performance Monitoring: Built-in metrics collection for request latency and throughput

- Go 1.21+
- DeepSeek API key
- Basic understanding of MCP protocol

export DEEPSEEK_API_KEY=your_api_key
export DEEPSEEK_MODEL=deepseek-chat
./bin/mcp-deepseek

| Variable | Description | Default |
|----------|-------------|---------|
| DEEPSEEK_API_KEY | DeepSeek API key | Required |
| DEEPSEEK_MODEL | Model ID from available models | deepseek-chat |
| DEEPSEEK_SYSTEM_PROMPT | System prompt for code review | Default code review prompt |
| DEEPSEEK_SYSTEM_PROMPT_FILE | Path to file containing system prompt | Empty |
| DEEPSEEK_MAX_FILE_SIZE | Max upload size (bytes) | 10485760 (10MB) |
| DEEPSEEK_ALLOWED_FILE_TYPES | Comma-separated MIME types | [Common text/code types] |
| DEEPSEEK_TIMEOUT | API timeout in seconds | 90 |
| DEEPSEEK_MAX_RETRIES | Max API retries | 2 |
| DEEPSEEK_INITIAL_BACKOFF | Initial backoff time (seconds) | 1 |
| DEEPSEEK_MAX_BACKOFF | Maximum backoff time (seconds) | 10 |
| DEEPSEEK_TEMPERATURE | Model temperature (0.0-1.0) | 0.4 |

Example .env:

DEEPSEEK_API_KEY=your_api_key

DEEPSEEK_MODEL=deepseek-chat

DEEPSEEK_SYSTEM_PROMPT="Your custom code review prompt here"

To run tests:

Currently, the server provides the following tools: