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Changelog

All notable changes to the Carla MCP Server will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

  • Comprehensive documentation overhaul with accurate API reference
  • Natural language usage examples for all 45+ tools
  • Complete project architecture documentation
  • Professional development guidelines and contribution workflow

Changed

  • Updated README.md to reflect actual project capabilities
  • Improved tool registry to expose all implemented functionality
  • Enhanced installation instructions with generic paths

Fixed

  • Documentation gaps between implemented features and exposed tools
  • Outdated project structure information
  • Environment-specific installation paths

[0.1.0] - 2025-01-15

Added

🗂️ Session Management Tools (8 tools)

  • load_session - Load Carla project files with auto-connection support
  • save_session - Save current session state with compression options
  • create_snapshot - Create A/B comparison snapshots for session states
  • switch_session - Hot-swap between sessions with optional crossfading
  • list_sessions - Display all available sessions with metadata
  • delete_session - Remove sessions with cleanup
  • export_session - Export sessions to various audio formats
  • import_session - Import sessions from external formats

🔌 Plugin Control Tools (8 tools)

  • load_plugin - Load VST2/3, LV2, LADSPA, DSSI, AU, SF2/SFZ plugins
  • scan_plugins - Discover available plugins in directories
  • control_plugin - Activate, bypass, solo, and remove plugins
  • batch_process - Apply plugin chains to audio files
  • list_plugins - Show all loaded plugins with status
  • get_plugin_info - Retrieve detailed plugin information and parameters
  • clone_plugin - Duplicate plugins with all settings preserved
  • replace_plugin - Swap plugins with intelligent parameter mapping

🔗 Audio Routing Tools (8 tools)

  • connect_audio - Create audio connections between plugins
  • create_bus - Build audio buses for grouping and organization
  • setup_sidechain - Configure sidechain routing for compression
  • get_routing_matrix - View complete routing configuration
  • disconnect_audio - Remove specific audio connections
  • create_send - Set up send/return effect routing
  • set_connection_gain - Adjust connection levels and gain staging

🎚️ Parameter Automation Tools (8 tools)

  • automate_parameter - Create automation curves with multiple types
  • map_midi_cc - Map MIDI controllers to plugin parameters
  • create_macro - Create macro controls for multiple parameters
  • record_automation - Capture real-time parameter changes
  • set_parameter - Direct parameter value control
  • get_parameter - Read current parameter values and info
  • randomize_parameters - Creative parameter randomization
  • morph_parameters - Smooth transitions between parameter states

📊 Real-Time Analysis Tools (5 tools)

  • analyze_spectrum - FFT spectrum analysis with customizable settings
  • measure_levels - Audio level metering (Peak, RMS, LUFS)
  • capture_plugin_parameters - Monitor parameter values over time
  • detect_feedback - Automatic feedback loop detection and prevention
  • analyze_latency - System and plugin latency measurement

🔊 JACK Integration Tools (6 tools)

  • list_jack_ports - Show available JACK ports with filtering
  • connect_jack_ports - Connect JACK ports for audio routing
  • disconnect_jack_ports - Disconnect JACK port connections
  • get_jack_connections - View all current JACK connections
  • connect_system_to_plugin - Route system audio inputs to plugins
  • connect_plugin_to_system - Route plugin outputs to system

🖥️ Hardware Control Tools (3+ tools)

  • configure_audio_interface - Set up audio hardware parameters
  • list_audio_devices - Discover available audio devices
  • map_control_surface - Configure MIDI controller mappings

🖼️ Core Architecture

  • MCP Server Core (server.py - 701 lines): Complete MCP protocol implementation
  • Carla Controller (carla_controller.py - 800 lines): High-level Carla backend wrapper
  • Tool Registry (tool_registry.py - 569 lines): Automatic tool registration and schema generation
  • Type System (types.py - 263 lines): Comprehensive type definitions and protocols
  • Base Framework (base_tools.py - 355 lines): Foundation for all tool implementations

📊 Monitoring System

  • Audio Monitor (audio_monitor.py - 108 lines): Real-time audio level monitoring
  • CPU Monitor (cpu_monitor.py - 128 lines): System performance tracking
  • Event Monitor (event_monitor.py - 74 lines): Real-time event streaming

🧪 Testing Infrastructure

  • Unit Tests (test_server.py - 192 lines): Component-level testing
  • Integration Tests (test_complete_suite.py - 468 lines): End-to-end workflow testing
  • Async Test Support: Full pytest-asyncio integration
  • Mock Strategies: Comprehensive mocking for isolated testing

🔧 Development Tools

  • Code Quality: Black, isort, flake8, mypy integration
  • Pre-commit Hooks: Automated code quality checking
  • Type Safety: Comprehensive type hints throughout codebase
  • Error Handling: Consistent error response format across all tools

📖 Documentation

  • Comprehensive API Reference: All 45+ tools documented with examples
  • Natural Language Examples: LLM interaction patterns and workflows
  • Architecture Documentation: Complete technical architecture overview
  • Development Guidelines: Professional contribution workflow

⚙️ Configuration

  • Environment Variables: Flexible path and configuration management
  • MCP Client Integration: Ready-to-use configuration examples
  • Audio System Setup: JACK integration with optimized settings
  • Plugin Path Management: Configurable plugin discovery and caching

🔗 Dependencies

  • Core: mcp>=0.1.0, PyQt5>=5.15.0, numpy>=1.21.0, scipy>=1.7.0
  • System: psutil>=5.8.0 for performance monitoring
  • Async: asyncio-mqtt>=0.10.0, aiofiles>=0.8.0 for real-time operations
  • Config: pyyaml>=5.4.0, python-dotenv>=0.19.0 for configuration management

Technical Specifications

📊 Project Metrics

  • Total Codebase: ~6,500 lines of production Python code
  • Tool Implementation: 45+ methods across 7 functional categories
  • Test Coverage: 660+ lines of comprehensive test suite
  • Documentation: 3,000+ lines of professional documentation

⚡ Performance Characteristics

  • Real-Time: Low-latency audio operations with JACK integration
  • Async: Non-blocking tool execution with concurrent operation support
  • Memory Efficient: Optimized parameter caching and resource management
  • Scalable: Modular architecture supporting complex multi-plugin workflows

🔧 Audio Engine Features

  • Plugin Formats: VST2, VST3, LV2, LADSPA, DSSI, AU, SF2, SFZ support
  • Audio Routing: Complex matrix routing with feedback detection
  • Real-Time Analysis: FFT spectrum analysis and comprehensive metering
  • Automation: Multi-curve parameter automation with MIDI integration

🖥️ System Requirements

  • Python: 3.12+ with comprehensive async support
  • Operating Systems: Linux (primary), macOS, Windows 10+
  • Audio: JACK Audio Connection Kit for professional routing
  • Memory: 4GB minimum, 8GB+ recommended for complex projects

🧪 Quality Assurance

  • Type Safety: Complete mypy type checking with strict mode
  • Code Standards: Black formatting, isort imports, flake8 linting
  • Test Coverage: Unit and integration tests for all major components
  • Error Handling: Comprehensive exception handling with detailed error responses

🤖 AI Integration

  • Natural Language: Designed for LLM control with conversational patterns
  • Context Awareness: Session state preservation across interactions
  • Workflow Intelligence: Multi-step operation coordination
  • User Intent: Advanced parameter inference from natural language

Known Issues

🐛 Current Limitations

  • Windows VST Support: Requires Wine configuration on Linux systems
  • Plugin Scanning: Large plugin libraries may require extended scan times
  • JACK Dependencies: Requires proper JACK Audio Connection Kit setup

🔧 Workarounds

  • VST Windows Plugins: Use winecfg to configure Wine prefix properly
  • Plugin Performance: Enable plugin bridging for stability with large plugin counts
  • Audio Latency: Use 128-sample buffers for optimal real-time performance

Migration Notes

This is the initial release of the Carla MCP Server. No migration is required.

Acknowledgments

🙏 Credits

  • Carla Integration: Built on the excellent Carla by falkTX
  • MCP Protocol: Uses Model Context Protocol by Anthropic
  • Audio Community: Inspired by the professional audio production community
  • Open Source: Leverages NumPy, SciPy, and other open-source audio tools

👥 Contributors

  • Initial implementation and architecture
  • Comprehensive documentation and testing
  • Natural language integration patterns

🎵 Ready to revolutionize audio production with AI assistance! ✨

For complete documentation, see: