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Serial MCP

PaDev1/serial-mcp

MCP server allowing Agents to talk to devices connected to serial port of the computer. Tested only with MAC atm. A robust serial communication server built with FastMCP framework, providing a reliable interface for serial port communication with features like message buffering, error handling, and connection management.

Install

See repository

Setup steps are in the repository README.

Open README
Author
@PaDev1
Category
Home Automation & IoT, Developer Tools
License
MIT
Updated
Oct 6, 2026

About Serial MCP

MCP server allowing Agents to talk to devices connected to serial port of the computer. Tested only with MAC atm.

A robust serial communication server built with FastMCP framework, providing a reliable interface for serial port communication with features like message buffering, error handling, and connection management.

Features

  • Asynchronous Serial Communication: Built on asyncio for efficient I/O operations

  • Message Buffering: Configurable buffer size with timestamp support

  • Connection Management: Automatic port detection and connection handling

  • Error Handling: Comprehensive error detection and reporting

  • Environment Configuration: Support for environment variables and runtime configuration

  • Logging: Detailed logging with timestamps and error tracking

Tools (7)

  • init_serial

    Initialize a serial connection with specified parameters.

  • send_message

    Send a message through the serial connection and optionally wait for a response.

  • read_message

    Read messages from the buffer.

  • list_serial_ports

    List all available serial ports on the system.

  • get_serial_status

    Get the current status of the serial connection.

  • configure_serial

    Configure the serial connection after initialization.

  • close_serial

    Close the current serial connection.

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

View all
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WindowsMacOS

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