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# Coreflux MQTT MCP Server
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An enterprise-grade Model Context Protocol (MCP) server that provides secure, scalable access to Coreflux MQTT brokers and comprehensive automation capabilities for Claude and other MCP-compatible AI assistants.
## 🚀 Features
### Core Functionality
- 🔌 **MQTT Integration**: Seamless connection to Coreflux MQTT brokers with full TLS support
- 🛠️ **Complete Coreflux API**: Full access to models, actions, rules, and routes
- 🤖 **AI Code Generation**: LOT (Language-of-Things) code generation via Coreflux Copilot API
- 🔍 **Dynamic Discovery**: Automatic discovery and listing of available actions
- 🏥 **Health Monitoring**: Comprehensive system health checks and monitoring
### Enterprise Features
- 🔒 **Production Security**: Comprehensive log sanitization, input validation, and security features
- ⚡ **Async Processing**: Non-blocking message processing with rate limiting and queue management
- � **Enhanced Logging**: Structured logging with rotation, filtering, and security sanitization
- ✅ **Configuration Validation**: Comprehensive environment and file validation system
- 🧪 **Testing Framework**: Complete unit testing suite with mocking and coverage reporting
### DevOps & Deployment
- 🐳 **Container Ready**: Full Docker and Kubernetes deployment support with health checks
- 🔄 **CI/CD Pipeline**: GitHub Actions with automated testing, security scanning, and quality checks
- 📦 **Development Tools**: Pre-commit hooks, code formatting, linting, and documentation generation
- ⚙️ **Easy Setup**: Interactive setup assistant with validation and testing
- 📚 **Rich Documentation**: API documentation, security guides, and deployment instructions
## Quick Start
### Docker Deployment (Recommended)
1. **Clone and configure**:
```bash
git clone https://github.com/CorefluxCommunity/Coreflux-MQTT-MCP-Server.git
cd Coreflux-MQTT-MCP-Server
cp .env.example .env
# Edit .env with your configuration
```
2. **Deploy with Docker**:
```bash
docker-compose up -d
```
## 🚀 Quick Start
### Prerequisites
- Python 3.11 or higher
- Docker (optional, for containerized deployment)
- Access to a Coreflux MQTT broker
- Coreflux Copilot API key (optional, for AI assistance)
### Option 1: Docker Deployment (Recommended)
1. **Clone and configure**:
```bash
git clone https://github.com/CorefluxCommunity/Coreflux-MQTT-MCP-Server.git
cd Coreflux-MQTT-MCP-Server
cp .env.example .env
# Edit .env with your configuration
```
2. **Deploy with Docker**:
```bash
docker-compose up -d
```
3. **Verify deployment**:
```bash
docker-compose logs -f coreflux-mcp-server
```
### Option 2: Development Installation
1. **Clone and setup**:
```bash
git clone https://github.com/CorefluxCommunity/Coreflux-MQTT-MCP-Server.git
cd Coreflux-MQTT-MCP-Server
```
2. **Install dependencies**:
```bash
pip install -r requirements.txt
# For development
pip install -r requirements-dev.txt
```
3. **Configure environment**:
```bash
python setup_assistant.py # Interactive configuration
# OR
cp .env.example .env && nano .env # Manual configuration
```
4. **Validate and test**:
```bash
make validate # Validate configuration
make test # Run tests
```
5. **Start the server**:
```bash
python server.py
# OR
make run
```
For detailed deployment instructions, see [DEPLOYMENT.md](DEPLOYMENT.md).
## ⚙️ Configuration
### Interactive Setup Assistant
The server includes a comprehensive setup assistant that guides you through configuration:
```bash
python setup_assistant.py
```
**The assistant helps with:**
- 🔧 MQTT broker connection settings
- 🔐 TLS certificate configuration
- 🤖 Coreflux Copilot API integration
- 📝 Logging and monitoring setup
- ✅ Configuration validation and testing
**Use the setup assistant when:**
- Creating initial configuration
- Updating existing settings
- Troubleshooting connection issues
- Setting up TLS certificates
- Migrating between environments
### Environment Configuration
Copy `.env.example` to `.env` and configure:
```bash
# MQTT Broker Configuration
MQTT_BROKER=your-broker-host.com
MQTT_PORT=8883
MQTT_USER=your-username
MQTT_PASSWORD=your-password
MQTT_USE_TLS=true
# TLS Configuration (when MQTT_USE_TLS=true)
MQTT_CA_CERT=/path/to/ca.crt
MQTT_CERT_FILE=/path/to/client.crt
MQTT_KEY_FILE=/path/to/client.key
# Coreflux Copilot API
DO_AGENT_API_KEY=your-api-key-here
# Logging Configuration
LOG_LEVEL=INFO
LOG_FILE=/var/log/coreflux-mcp.log
```
For detailed configuration options, see the [Configuration Guide](SECRET_MANAGEMENT.md).
## 🔌 Connecting Claude to the MCP Server
### Using Claude Desktop
1. **Locate Claude Desktop config file**:
- macOS/Linux: `~/Library/Application Support/Claude/claude_desktop_config.json`
- Windows: `%USERPROFILE%\AppData\Roaming\Claude\claude_desktop_config.json`
2. **Add server configuration**:
```json
{
"mcpServers": {
"coreflux": {
"command": "python",
"args": ["/path/to/your/server.py"],
"env": {
"MQTT_BROKER": "your-broker-host.com",
"MQTT_PORT": "8883",
"MQTT_USER": "your-username",
"MQTT_PASSWORD": "your-password",
"MQTT_USE_TLS": "true",
"DO_AGENT_API_KEY": "your-copilot-api-key"
}
}
}
}
```
3. **Restart Claude Desktop**
**Security Note**: For production deployments, store secrets in secure environment variables or secret management systems rather than the Claude config file.
### Using Environment Variables
For better security, use environment variables instead of hardcoding credentials:
```json
{
"mcpServers": {
"coreflux": {
"command": "python",
"args": ["/path/to/your/server.py"],
"env": {
"MQTT_BROKER": "${COREFLUX_MQTT_BROKER}",
"MQTT_PORT": "${COREFLUX_MQTT_PORT}",
"MQTT_USER": "${COREFLUX_MQTT_USER}",
"MQTT_PASSWORD": "${COREFLUX_MQTT_PASSWORD}",
"DO_AGENT_API_KEY": "${COREFLUX_API_KEY}"
}
}
}
}
```
### Testing the Connection
Once configured, test the connection by asking Claude:
```
Can you check the health of the Coreflux MCP server and show me the broker information?
```
Claude should respond with system status and broker details if the connection is successful.
## 🛠️ Available Tools
The server provides the following tools to Claude:
### Core MQTT Tools
- **`publish_to_coreflux`** - Publish messages to MQTT topics with QoS and retention options
- **`get_broker_info`** - Get detailed information about the MQTT broker connection
### AI Assistance Tools
- **`copilot_assist`** - Query the Coreflux Copilot AI for automation assistance and code generation
### System Management Tools
- **`comprehensive_health_check`** - Perform detailed health checks of all system components
For detailed API documentation, see [API_DOCUMENTATION.md](API_DOCUMENTATION.md).
## 🧪 Development & Testing
### Development Setup
1. **Install development dependencies**:
```bash
pip install -r requirements-dev.txt
```
2. **Install pre-commit hooks**:
```bash
pre-commit install
```
3. **Run the full development setup**:
```bash
make dev-setup # Complete development environment setup
```
### Testing
Run the comprehensive test suite:
```bash
# Run all tests
make test
# Run tests with coverage
make test-coverage
# Run specific test categories
make test-unit # Unit tests only
make test-integration # Integration tests only
```
### Code Quality
Maintain code quality with automated tools:
```bash
# Format code
make format
# Run linters
make lint
# Security scanning
make security-check
# Type checking
make type-check
# Run all quality checks
make quality-check
```
Available development commands:
```bash
# Development workflow
make dev-setup # Set up complete development environment
make validate # Validate configuration and environment
make run # Start the server with validation
make run-debug # Start server in debug mode
# Testing and validation
make test # Run all tests
make test-coverage # Run tests with coverage report
make test-unit # Run unit tests only
make validate-config # Validate configuration files
# Code quality
make format # Format code with black and isort
make lint # Run all linters (flake8, bandit, mypy)
make security-check # Run security scanning
make type-check # Run type checking with mypy
# Docker operations
make docker-build # Build Docker image
make docker-run # Run in Docker container
make docker-test # Run tests in Docker
# Documentation
make docs # Generate documentation
make docs-serve # Serve documentation locally
```
## 🔧 System Architecture
### Core Components
- **`server.py`** - Main MCP server with tool implementations
- **`config_validator.py`** - Configuration validation and environment checking
- **`message_processor.py`** - Asynchronous MQTT message processing with rate limiting
- **`enhanced_logging.py`** - Structured logging with rotation and security filtering
- **`config_schema.py`** - Pydantic schemas for type-safe configuration
- **`parser.py`** - Sanitization and parsing utilities
### Security Features
- **Input Sanitization** - All inputs are sanitized to prevent injection attacks
- **Log Security** - Automatic sanitization of sensitive data in logs
- **TLS Support** - Full TLS encryption for MQTT connections
- **Configuration Validation** - Comprehensive validation of all configuration parameters
- **Secret Management** - Secure handling of credentials and API keys
### Performance Features
- **Async Processing** - Non-blocking message processing
- **Connection Pooling** - Efficient MQTT connection management
- **Rate Limiting** - Configurable rate limits to prevent abuse
- **Health Monitoring** - Real-time health checks and system monitoring
## 📚 Documentation
- **[API Documentation](API_DOCUMENTATION.md)** - Complete API reference
- **[Deployment Guide](DEPLOYMENT.md)** - Production deployment instructions
- **[Secret Management](SECRET_MANAGEMENT.md)** - Security and secret management guide
- **[Configuration Reference](.env.example)** - Complete configuration options
## 🐳 Docker Deployment
### Quick Start with Docker
```bash
# Clone and configure
git clone https://github.com/CorefluxCommunity/Coreflux-MQTT-MCP-Server.git
cd Coreflux-MQTT-MCP-Server
# Copy and edit environment file
cp .env.example .env
nano .env # Configure your settings
# Start with Docker Compose
docker-compose up -d
# Check logs
docker-compose logs -f coreflux-mcp-server
# Health check
docker-compose exec coreflux-mcp-server python -c "
import os
os.system('python server.py --health-check')
"
```
### Production Docker Deployment
See [DEPLOYMENT.md](DEPLOYMENT.md) for comprehensive production deployment instructions including:
- Multi-stage Docker builds
- Kubernetes deployments
- Health checks and monitoring
- Load balancing and scaling
- Security configurations
## 🔑 Coreflux Copilot Integration
The server includes powerful AI assistance through the Coreflux Copilot API:
### Setup
1. **Obtain API Key** from the Coreflux Copilot dashboard
2. **Configure the key**:
```bash
# Option 1: Environment file
echo "DO_AGENT_API_KEY=your_api_key_here" >> .env
# Option 2: Environment variable
export DO_AGENT_API_KEY=your_api_key_here
```
### Features
- **LOT Code Generation** - Generate Language-of-Things code from natural language
- **Automation Assistance** - Get help with Coreflux automation tasks
- **Best Practices** - Receive guidance on optimal implementations
- **Troubleshooting** - Get assistance with debugging and optimization
### Usage Examples
Ask Claude to help with Coreflux automation:
```
Generate LOT code for a temperature monitoring system that triggers an alert when the temperature exceeds 75°F
```
```
Help me create a rule that processes sensor data and stores it in a database
```
## 🚀 Advanced Features
### Asynchronous Message Processing
The server includes a robust async message processor that:
- **Prevents Blocking** - Handles messages without blocking the main thread
- **Rate Limiting** - Configurable limits to prevent system overload
- **Queue Management** - Intelligent queue handling with backpressure
- **Statistics** - Real-time processing metrics and monitoring
### Enhanced Logging System
Comprehensive logging with enterprise features:
- **Structured Logging** - JSON formatted logs for easy parsing
- **Log Rotation** - Automatic log file rotation to manage disk space
- **Security Filtering** - Automatic sanitization of sensitive information
- **Multiple Outputs** - Console, file, and syslog support
### Configuration Validation
Robust validation system that checks:
- **Environment Variables** - Validates all required configuration
- **File Permissions** - Ensures certificate files are accessible
- **Network Connectivity** - Tests MQTT broker connectivity
- **API Availability** - Validates Copilot API access
## 🛡️ Security & Compliance
### Security Features
- **Input Sanitization** - All inputs validated and sanitized
- **TLS Encryption** - Full TLS support for MQTT connections
- **Secret Management** - Secure credential handling
- **Audit Logging** - Comprehensive security event logging
- **Non-root Execution** - Runs with minimal privileges
### Compliance Support
The server supports various compliance requirements:
- **SOC 2** - Security controls and monitoring
- **GDPR** - Data protection and privacy
- **HIPAA** - Healthcare data protection (when properly configured)
For detailed security information, see [SECRET_MANAGEMENT.md](SECRET_MANAGEMENT.md).
## 📊 Monitoring & Health Checks
### Health Check Tool
Comprehensive health monitoring with the `comprehensive_health_check` tool:
```bash
# Manual health check
python server.py --health-check
# Or ask Claude:
# "Please run a comprehensive health check on the Coreflux MCP server"
```
### Monitoring Metrics
The server provides detailed metrics:
- **Connection Status** - MQTT broker connectivity
- **Message Processing** - Queue size and processing rates
- **System Resources** - Memory and CPU usage
- **Error Rates** - Failed operations and error statistics
- **API Status** - Copilot API availability and response times
### Alerting
Configure alerts for:
- Connection failures
- High error rates
- Resource exhaustion
- Security events
## 🤝 Contributing
We welcome contributions! Please see our contribution guidelines:
### Development Process
1. **Fork** the repository
2. **Create** a feature branch: `git checkout -b feature/amazing-feature`
3. **Install** development dependencies: `pip install -r requirements-dev.txt`
4. **Setup** pre-commit hooks: `pre-commit install`
5. **Make** your changes with tests
6. **Run** quality checks: `make quality-check`
7. **Commit** your changes: `git commit -am 'Add amazing feature'`
8. **Push** to the branch: `git push origin feature/amazing-feature`
9. **Create** a Pull Request
### Code Standards
- **Python 3.11+** compatibility
- **Type hints** for all functions
- **Comprehensive tests** with >90% coverage
- **Security scanning** with bandit
- **Code formatting** with black and isort
- **Documentation** for all public APIs
## 📄 License
This project is licensed under the Apache License 2.0 - see the [LICENSE](LICENSE) file for details.
## 🆘 Support & Troubleshooting
### Common Issues
**Connection Refused**
```
Error: MQTT connection failed
```
- Check broker hostname and port
- Verify network connectivity
- Confirm TLS configuration
**Authentication Failed**
```
Error: Authentication failed
```
- Verify username/password
- Check API key validity
- Confirm broker permissions
**TLS Handshake Failed**
```
Error: TLS handshake failed
```
- Verify certificate paths
- Check certificate validity
- Confirm TLS version compatibility
### Debug Mode
Enable detailed logging for troubleshooting:
```bash
export LOG_LEVEL=DEBUG
python server.py
```
### Getting Help
- **GitHub Issues**: [Report bugs and request features](https://github.com/CorefluxCommunity/Coreflux-MQTT-MCP-Server/issues)
- **Discussions**: [Community support and questions](https://github.com/CorefluxCommunity/Coreflux-MQTT-MCP-Server/discussions)
- **Documentation**: [Complete documentation](./API_DOCUMENTATION.md)
- **Security Issues**: Report to security@coreflux.org
## 🗺️ Roadmap
### Current Status: v1.0.0 ✅
- ✅ Core MQTT functionality
- ✅ Copilot API integration
- ✅ Enterprise security features
- ✅ Comprehensive testing
- ✅ Production deployment support
### Upcoming Features
- **v1.1.0** - Enhanced monitoring and metrics
- **v1.2.0** - Additional Coreflux API endpoints
- **v1.3.0** - WebSocket support for real-time data
- **v2.0.0** - Multi-broker support and federation
---
## 📋 Quick Reference
### Essential Commands
```bash
# Setup and configuration
python setup_assistant.py # Interactive setup
make validate # Validate configuration
# Development
make dev-setup # Complete dev environment
make test # Run all tests
make quality-check # Run all quality checks
# Deployment
docker-compose up -d # Docker deployment
make docker-build # Build Docker image
# Monitoring
make health-check # System health check
docker-compose logs -f # View logs
```
### Key Files
- **`server.py`** - Main MCP server
- **`.env`** - Configuration file
- **`requirements.txt`** - Python dependencies
- **`docker-compose.yml`** - Docker deployment
- **`Makefile`** - Development commands
---
**Built with ❤️ by the Coreflux Community**
- `remove_action`: Remove an action event/function
- `run_action`: Run an action event/function
- `remove_all_models`: Remove all models
- `remove_all_actions`: Remove all actions
- `remove_all_routes`: Remove all routes
- `list_discovered_actions`: List all discovered Coreflux actions
- `request_lot_code`: Generate LOT code using Coreflux Copilot API based on natural language prompts
## Debugging and Troubleshooting
The MCP server now starts even if the MQTT broker is not available, allowing you to troubleshoot and configure connections through the MCP tools.
### Connection Status and Recovery
- The server will start successfully even if the MQTT broker is unreachable
- Use the `get_connection_status` tool to check connection health and get troubleshooting guidance
- Use the `setup_mqtt_connection` tool to configure a new broker connection without restarting
- Use the `check_broker_health` or `reconnect_mqtt` tools to test and retry connections
### Available Tools for Connection Management
- `get_connection_status`: Get detailed connection status with troubleshooting guidance
- `setup_mqtt_connection`: Configure a new MQTT broker connection dynamically
- `mqtt_connect`: Connect to a specific MQTT broker with custom parameters
- `check_broker_health`: Test broker connectivity and attempt reconnection
- `reconnect_mqtt`: Force reconnection to the configured broker
### Traditional Troubleshooting Steps
If you encounter issues:
1. Verify your MQTT broker credentials in your Claude configuration
2. Ensure the broker is accessible
3. Run the setup assistant to verify or update your configuration:
```bash
python setup_assistant.py
```
4. Check Claude Desktop logs:
```bash
# Check Claude's logs for errors (macOS/Linux)
tail -n 20 -f ~/Library/Logs/Claude/mcp*.log
# Windows PowerShell
Get-Content -Path "$env:USERPROFILE\AppData\Roaming\Claude\Logs\mcp*.log" -Tail 20 -Wait
```
5. Run the server with debug logging:
```bash
# Direct execution with debug logging
python server.py --mqtt-host localhost --mqtt-port 1883 --log-level DEBUG
```
## References and Documentation
- **[DEPLOYMENT.md](DEPLOYMENT.md)** - Production deployment guide
- **[SECURITY.md](SECURITY.md)** - Security guidelines and best practices
- **[MCP Documentation](https://modelcontextprotocol.io/)** - Official MCP documentation
- **[Coreflux Platform](https://coreflux.org/)** - Coreflux automation platform
## Contributing
Contributions are welcome! Please read our contributing guidelines and submit pull requests to the `development` branch.
## License
This project is licensed under the Apache License 2.0 - see the [LICENSE](LICENSE) file for details.
## Support
- 📖 Documentation: Check the README, DEPLOYMENT.md, and SECURITY.md files
- 🐛 Issues: Report bugs and feature requests on GitHub
- 💬 Community: Join the Coreflux community for discussions
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