@PaDev1
Basic information
MCP server allowing Agents to talk to devices connected to serial port of the computer. Tested only with MAC atm.
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"serial-mcp": {
"command": "python",
"args": [
"serial_MCP.py"
]
}
}
}Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
Serial-MCP is a Model Context Protocol (MCP) server that enables AI agents to communicate with devices connected to a serial port on the host computer. Built with the FastMCP framework and pyserial, it provides robust asynchronous serial communication, message buffering, connection management, and detailed error handling. The server is tested only on macOS.
Clone the repository and install dependencies with pip install -r requirements.txt. Configure the server by setting the environment variables SERIAL_PORT, SERIAL_BAUD_RATE, and SERIAL_BUFFER_LENGTH. Add the server to your Claude Desktop configuration using the provided uv run command pointing to serial_MCP.py. Start the server with python serial_MCP.py then use the exposed tools (init_serial, send_message, read_message, etc.) to interact with serial devices.
The server uses environment variables: `SERIAL_PORT` (default `/dev/tty.usb*`), `SERIAL_BAUD_RATE` (default `9600`), and `SERIAL_BUFFER_LENGTH` (default `100`). These can be set in the MCP client configuration or overridden at runtime via the `init_serial` and `configure_serial` tools.
Serial-MCP offers nine tools: `delay`, `init_serial`, `send_message`, `read_message`, `list_serial_ports`, `get_serial_status`, `configure_serial`, `close_serial`, and `help`. Each has documented parameters and return values.
Use `send_message` with `wait_for_response: true` and an optional `response_timeout`. The response is returned as a list of timestamped messages in the `response_messages` field.
Python 3.7+ and the packages pyserial>=3.5, fastmcp>=0.1.0, pydantic>=2.0.0, and asyncio>=3.4.3.
Logs are written to `logs/serial_MCP.log` with timestamp, level, and message.
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