MCP Servers

Serial MCP Server

Enables LLMs to communicate with hardware devices via serial ports. Provides tools for listing ports, opening/closing connections, reading/writing data, and controlling serial signals.

README

Serial MCP Server

A Model Context Protocol (MCP) server for serial port communication, enabling LLMs to interact with hardware devices via serial connections.

Features

List available serial ports
Open/close serial port connections
Read and write data to serial ports
Control serial signals (DTR, RTS, CTS, DSR, DCD)
Support for custom baud rates, data bits, stop bits, and parity
JSON and Markdown output formats

Installation

# Install from PyPI (when published)
pip install serial-mcp-new

Usage

Running the Server

# Run with stdio transport (default, for local use)
serial-mcp

Config in Claude Code

  "mcpServers": {
    "ssh-mcp": {
      "command": "C:\\Users\\DELL\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python311\\Scripts\\serial-mcp.exe",
      "args": [],
      "env": {}
    }
  },

Available Tools

Tool	Description
`serial_list_ports`	List all available serial ports
`serial_open`	Open a serial port connection
`serial_close`	Close a serial port connection
`serial_write`	Write data to a serial port
`serial_read`	Read data from a serial port
`serial_set_signals`	Set control signal states
`serial_get_signals`	Read current signal states
`serial_list_connections`	List all active connections

Example Workflow

List available ports:
```
serial_list_ports()
```

Open a connection:

serial_open(port="COM3", baud_rate=115200)

Write data:

serial_write(connection_id="conn_1", data="Hello, device!")

Read response:

serial_read(connection_id="conn_1", timeout=2.0)

Close when done:
```
serial_close(connection_id="conn_1")
```

Dependencies

Python 3.10+
mcp >= 1.6.1
pyserial >= 3.5
pydantic >= 2.0.0

License

MIT

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