Ugs MCP Server

by zackpeters93io.github.zackpeters93/ugs-mcpv0.1.1

CNC control via Universal G-code Sender (GRBL): jog, home, run G-code files, inspect toolpaths and estimate cycle times, with two-step motion confirmation.

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Install Ugs MCP server

claude mcp add ugs -- uvx ugs-mcp

{
  "mcpServers": {
    "ugs": {
      "command": "uvx",
      "args": [
        "ugs-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "ugs": {
      "command": "uvx",
      "args": [
        "ugs-mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "ugs": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "ugs-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "ugs": {
      "command": "uvx",
      "args": [
        "ugs-mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
UGS_HOST	—	—	UGS Pendant host address
UGS_PORT	—	—	UGS Pendant port (default: 8080)
MACROS_DIR	—	—	Directory for saved G-code macros
RAPID_SPEED_MM_MIN	—	—	Rapid speed in mm/min used for return-to-zero (default: 5000)