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mcp/harbor
Gemini CLI

Metal GPU Trace for Gemini CLI

io.github.partprogramming09/metal-gpu-trace

Measure Wine and macOS programs' GPU use on Apple silicon with Metal System Trace

client:Gemini CLI transport:stdio runtime:pypi

Install Metal GPU Trace 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": {
    "metal-gpu-trace": {
      "command": "uvx",
      "args": [
        "metal-gpu-trace"
      ],
      "env": {
        "METAL_TRACE_OUT": "<METAL_TRACE_OUT>",
        "METAL_TRACE_WINE": "<METAL_TRACE_WINE>"
      }
    }
  }
}

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

Metal GPU Trace in other clients

Metal GPU Trace MCP server