MCP Selection Lab for Gemini CLI

io.github.changhuliu/mcp-selection-lab

Benchmark MCP tool selection with metadata-only routing, collision, abstention, and holdout checks.

client:Gemini CLI transport:streamable-http tools:3

Install MCP Selection Lab in Gemini CLI

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

{
  "mcpServers": {
    "mcp-selection-lab": {
      "httpUrl": "https://mcp-selection-lab-production.up.railway.app/mcp"
    }
  }
}

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