MCP ServerSTDIOOfficialv0.1.3

serial-mcp-server MCP Server

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

io.github.es617/serial-mcp-server

Hosted URL

https://github.com/es617/serial-mcp-server.git

Transport

STDIO

Auth

No auth required

Connect to serial-mcp-server

Hosted endpoint — paste into any MCP client.

https://github.com/es617/serial-mcp-server.git

Environment variables

Configuration this server reads at startup.

  • SERIAL_MCP_MAX_CONNECTIONS

    Maximum simultaneous open serial connections (default 10)

  • SERIAL_MCP_PLUGINS

    Plugin policy: 'all' or comma-separated plugin names. Unset = disabled.

  • SERIAL_MCP_MIRROR

    PTY mirror mode: 'off' (default), 'ro' (read-only), or 'rw' (read-write). macOS/Linux only.

  • 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.

  • SERIAL_MCP_TOOL_SEPARATOR

    Tool name separator character (default '.'). Set to '_' for clients that reject dots (e.g. Cursor).

Resources

Where to find authoritative docs and source for serial-mcp-server.

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