serial-mcp-server

Let AI agents interact with serial devices — list ports, connect, send, and read.

stdio v0.1.3

Connection Configuration

Add this to your AI agent's MCP config file to connect.

Run in your terminal:

claude mcp add io.github.es617--serial-mcp-server -- uvx

Transport

stdio

Authentication

None

Version

v0.1.3

Server Name

io.github.es617/serial-mcp-server

Last Updated

Mar 7, 2026

How to install and connect this MCP server.

Environment variables you must provide when running this server.

Variable	Description	Required
`SERIAL_MCP_MAX_CONNECTIONS`	Maximum simultaneous open serial connections (default 10)	Optional
`SERIAL_MCP_PLUGINS`	Plugin policy: 'all' or comma-separated plugin names. Unset = disabled.	Optional
`SERIAL_MCP_MIRROR`	PTY mirror mode: 'off' (default), 'ro' (read-only), or 'rw' (read-write). macOS/Linux only.	Optional
`SERIAL_MCP_MIRROR_LINK`	Base path for PTY symlinks (default /tmp/serial-mcp when mirror is enabled). Connections get numbered: /tmp/serial-mcp0, /tmp/serial-mcp1, etc.	Optional
`SERIAL_MCP_TOOL_SEPARATOR`	Tool name separator character (default '.'). Set to '_' for clients that reject dots (e.g. Cursor).	Optional