Nephyr Backtest for Gemini CLI

io.github.clm-studios/nephyr-backtest

Prediction market strategy backtesting with real on-chain Polymarket data

client:Gemini CLI transport:stdio runtime:pypi

Install Nephyr Backtest in Gemini CLI

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

{
  "mcpServers": {
    "nephyr-backtest": {
      "command": "uvx",
      "args": [
        "nephyr-backtest"
      ]
    }
  }
}

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