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serial mcp server for VS Code

io.github.es617/serial-mcp-server

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

client:VS Code transport:stdio runtime:pypi

Install serial mcp server in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "serial-mcp-max-connections",
      "description": "SERIAL_MCP_MAX_CONNECTIONS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "serial-mcp-plugins",
      "description": "SERIAL_MCP_PLUGINS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "serial-mcp-mirror",
      "description": "SERIAL_MCP_MIRROR",
      "password": true
    },
    {
      "type": "promptString",
      "id": "serial-mcp-mirror-link",
      "description": "SERIAL_MCP_MIRROR_LINK",
      "password": true
    },
    {
      "type": "promptString",
      "id": "serial-mcp-tool-separator",
      "description": "SERIAL_MCP_TOOL_SEPARATOR",
      "password": true
    }
  ],
  "servers": {
    "serial-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "serial-mcp-server"
      ],
      "env": {
        "SERIAL_MCP_MAX_CONNECTIONS": "${input:serial-mcp-max-connections}",
        "SERIAL_MCP_PLUGINS": "${input:serial-mcp-plugins}",
        "SERIAL_MCP_MIRROR": "${input:serial-mcp-mirror}",
        "SERIAL_MCP_MIRROR_LINK": "${input:serial-mcp-mirror-link}",
        "SERIAL_MCP_TOOL_SEPARATOR": "${input:serial-mcp-tool-separator}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

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