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mcp/harbor
Gemini CLI

kastell for Gemini CLI

io.github.kastelldev/kastell

Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.

client:Gemini CLI transport:stdio runtime:npm

Install kastell 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": {
    "kastell": {
      "command": "npx",
      "args": [
        "-y",
        "kastell"
      ],
      "env": {
        "HETZNER_TOKEN": "<HETZNER_TOKEN>",
        "DIGITALOCEAN_TOKEN": "<DIGITALOCEAN_TOKEN>",
        "VULTR_TOKEN": "<VULTR_TOKEN>",
        "LINODE_TOKEN": "<LINODE_TOKEN>"
      }
    }
  }
}

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

kastell in other clients

kastell MCP server