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mcp/harbor
Gemini CLI

nav substrate for Gemini CLI

io.github.wchampe/nav-substrate

Relativistic navigation calcs for agents: time dilation, trip planning, chronometry, gamma.

client:Gemini CLI transport:stdio runtime:pypi

Install nav substrate 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": {
    "nav-substrate": {
      "command": "uvx",
      "args": [
        "nav-substrate-mcp"
      ],
      "env": {
        "NAV_SERVICE_API_KEY": "<NAV_SERVICE_API_KEY>",
        "NAV_SERVICE_URL": "<NAV_SERVICE_URL>",
        "NAV_SERVICE_LOCAL": "<NAV_SERVICE_LOCAL>"
      }
    }
  }
}

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

nav substrate in other clients

nav substrate MCP server