List all available serial ports on the system.

Returns information about each port including device path, description, manufacturer, and hardware IDs.

Open a serial port with the specified configuration.

Returns a port_id that must be used for all subsequent operations on this port.

Close an open serial port.

The port_id is the identifier returned when the port was opened.

Write data to an open serial port.

Data can be a regular string (encoded with the specified encoding) or a hex string if hex_mode is True.

Read a specific number of bytes from the serial port.

Reads up to num_bytes, returning early if timeout is reached.

Read from serial port until a terminator string is received.

Useful for reading line-based protocols (terminator='\n').

Read all data from serial port for a specified duration.

Continuously reads data for the specified time period, collecting all received bytes.

Send a BREAK signal on the serial port.

A BREAK is a special signal where the TX line is held low for a specified duration, used for various protocols.

Get the current status of a managed serial port.

Returns configuration, buffer status, and control line states.

List all currently open/managed serial ports.

Returns information about each port that has been opened through this MCP server.