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Gemini CLI

psychosynth for Gemini CLI

io.github.3esign/psychosynth

Psychometric data marketplace: Big Five profiles, cognitive biases & behavioral data via x402.

client:Gemini CLI transport:stdio runtime:npm

Install psychosynth 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": {
    "psychosynth": {
      "command": "npx",
      "args": [
        "-y",
        "psychosynth-mcp"
      ],
      "env": {
        "PSYCHOSYNTH_API_URL": "<PSYCHOSYNTH_API_URL>",
        "BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>",
        "BASE_RPC_URL": "<BASE_RPC_URL>"
      }
    }
  }
}

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

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