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mcp/harbor
Gemini CLI

SandBase Harness for Gemini CLI

io.github.sandbaseai/sandbase-harness

Stdio MCP bridge for SandBase Harness agents, sessions, turns, artifacts, and cancellation.

client:Gemini CLI transport:stdio runtime:oci

Install SandBase Harness 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": {
    "sandbase-harness": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sandbaseai/sandbase-harness-mcp:0.3.8"
      ],
      "env": {
        "MANAGED_AGENTS_URL": "<MANAGED_AGENTS_URL>",
        "MANAGED_AGENTS_API_KEY": "<MANAGED_AGENTS_API_KEY>"
      }
    }
  }
}

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

SandBase Harness in other clients

SandBase Harness MCP server