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mcp/harbor
Gemini CLI

serial mcp server for Gemini CLI

io.github.es617/serial-mcp-server

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

client:Gemini CLI transport:stdio runtime:pypi

Install serial mcp server in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "serial-mcp-server": {
      "command": "uvx",
      "args": [
        "serial-mcp-server"
      ],
      "env": {
        "SERIAL_MCP_MAX_CONNECTIONS": "<SERIAL_MCP_MAX_CONNECTIONS>",
        "SERIAL_MCP_PLUGINS": "<SERIAL_MCP_PLUGINS>",
        "SERIAL_MCP_MIRROR": "<SERIAL_MCP_MIRROR>",
        "SERIAL_MCP_MIRROR_LINK": "<SERIAL_MCP_MIRROR_LINK>",
        "SERIAL_MCP_TOOL_SEPARATOR": "<SERIAL_MCP_TOOL_SEPARATOR>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

serial mcp server in other clients

serial mcp server MCP server