io.github.es617
serial-mcp-server
Let AI agents interact with serial devices — list ports, connect, send, and read.
stdiocommunityapplication
Package Details
serial-mcp-server
Transportstdio
Environment Variables
SERIAL_MCP_MAX_CONNECTIONS(str)
Maximum simultaneous open serial connections (default 10)
SERIAL_MCP_PLUGINS(str)
Plugin policy: 'all' or comma-separated plugin names. Unset = disabled.
SERIAL_MCP_MIRROR(str)
PTY mirror mode: 'off' (default), 'ro' (read-only), or 'rw' (read-write). macOS/Linux only.
SERIAL_MCP_MIRROR_LINK(str)
Base path for PTY symlinks (default /tmp/serial-mcp when mirror is enabled). Connections get numbered: /tmp/serial-mcp0, /tmp/serial-mcp1, etc.
SERIAL_MCP_TOOL_SEPARATOR(str)
Tool name separator character (default '.'). Set to '_' for clients that reject dots (e.g. Cursor).