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Gemini CLI

viznoir for Gemini CLI

io.github.kimimgo/viznoir

Cinema-quality science visualization for AI agents — headless VTK via MCP.

client:Gemini CLI transport:stdio runtime:pypi

Install viznoir 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": {
    "viznoir": {
      "command": "uvx",
      "args": [
        "viznoir"
      ],
      "env": {
        "VIZNOIR_RENDER_BACKEND": "<VIZNOIR_RENDER_BACKEND>",
        "VIZNOIR_OUTPUT_DIR": "<VIZNOIR_OUTPUT_DIR>"
      }
    }
  }
}

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

viznoir in other clients