DiffBeam Gaussian Beam Optics for Gemini CLI

com.gaussian-beam/diffbeam

Read-only optical catalog search plus DiffBeam server, schema, and catalog revision metadata.

client:Gemini CLI transport:streamable-http

Install DiffBeam Gaussian Beam Optics in Gemini CLI

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

{
  "mcpServers": {
    "diffbeam": {
      "httpUrl": "https://catalog-api.gaussian-beam.com/mcp/"
    }
  }
}

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