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MATLAB MCP Server

MATLAB MCP Server

Public
jigarbhoye04/MatlabMCP

Enables seamless interaction with a shared MATLAB session via the Model Context Protocol, offering asynchronous execution of MATLAB code, retrieval of workspace variables, and structured JSON responses for efficient integration with LLM agents and automation tools.

python
0 tools
May 30, 2025
Updated Jun 4, 2025

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MATLAB MCP Integration

This is an implementation of a Model Context Protocol (MCP) server for MATLAB. It allows MCP clients (like LLM agents or Claude Desktop) to interact with a shared MATLAB session using the MATLAB Engine API for Python.

Features

  • Execute MATLAB Code: Run arbitrary MATLAB code snippets via the runMatlabCode tool.
  • Retrieve Variables: Get the value of variables from the MATLAB workspace using the getVariable tool.
  • Structured Communication: Tools return results and errors as structured JSON for easier programmatic use by clients.
  • Non-Blocking Execution: MATLAB engine calls are run asynchronously using asyncio.to_thread to prevent blocking the server.
  • Standard Logging: Uses Python's standard logging module, outputting to stderr for visibility in client logs.
  • Shared Session: Connects to an existing shared MATLAB session.

TODO:

  • Add a setVariable tool to write data to the MATLAB workspace.
  • Add a runScript tool to execute .m files directly.
  • Add tools for workspace management (e.g., clearWorkspace, getWorkspaceVariables).
  • Expand matlab_to_python helper to handle more complex data types (structs, cell arrays, objects).
  • Add support for interacting with Simulink models.

Requirements

  • Python 3.12 or higher
  • MATLAB (R2023a or higher recommended - check MATLAB Engine API for Python compatibility) with the MATLAB Engine API for Python installed.
  • numpy Python package.

Installation

  1. Clone this repository:

    git clone https://github.com/jigarbhoye04/MatlabMCP.git cd MatlabMCP
  2. Set up a Python virtual environment (recommended):

    # Install uv if you haven't already: https://github.com/astral-sh/uv uv init uv venv source .venv/bin/activate # On Windows use: .venv\Scripts\activate
  3. Install dependencies:

    uv pip sync
  4. Ensure MATLAB is installed and the MATLAB Engine API for Python is configured for your Python environment. See MATLAB Documentation.

  5. Start MATLAB and share its engine: Run the following command in the MATLAB Command Window:

    matlab.engine.shareEngine

    You can verify it's shared by running matlab.engine.isEngineShared in MATLAB (it should return true or 1). The MCP server needs this shared engine to connect.

Configuration (for Claude Desktop)

To use this server with Claude Desktop:

  1. Go to Claude Desktop -> Settings -> Developer -> Edit Config.

  2. This will open claude_desktop_config.json. Add or modify the mcpServers section to include the MatlabMCP configuration:

    { "mcpServers": { "MatlabMCP": { "command": "C:\\Users\\username\\.local\\bin\\uv.exe", // Path to your uv executable "args": [ "--directory", "C:\\Users\\username\\Desktop\\MatlabMCP", // ABSOLUTE path to the cloned repository directory "run", "main.py" ] // Optional: Add environment variables if needed // "env": { // "MY_VAR": "value" // } } // Add other MCP servers here if you have them } }
  3. IMPORTANT: Replace C:\\Users\\username\\... paths with the correct absolute paths for your system.

  4. Save the file and restart Claude Desktop.

  5. Logging: Server logs (from Python's logging module) will appear in Claude Desktop's MCP log files (accessible via tail -f ~/Library/Logs/Claude/mcp-server-MatlabMCP.log on macOS or checking %APPDATA%\Claude\logs\ on Windows).

Development

Project Structure:

MatlabMCP/
├── .venv/                     # Virtual environment created by uv
├── Docs/
│   └── Images/
│   └── Updates.md             # Documentation for updates and changes
├── main.py                    # The MCP server script
├── pyproject.toml             # Project metadata and dependencies
├── README.md                  # This file
└── uv.lock                    # Lock file for dependencies

Documentation

Check out Updates for detailed documentation on the server's features, usage, and development notes.

Contributing

Contributions are welcome! If you have any suggestions or improvements, feel free to open an issue or submit a pull request.

Let's make this even better together!

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