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Use Gemini CLI when the agent runs in Google’s terminal client.

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Generate the setup command

  1. Open Agents in Fortress.
  2. Create or rotate an agent.
  3. Choose Gemini CLI as the runtime.
  4. Copy the generated command.
The generated command follows this shape: 
gemini mcp add --scope user --transport http --header 'Authorization: Bearer ft_<token>' fortress-<agent> 'https://api.fortressproductivity.com/mcp?agent_id=<agent-id>'
Fortress uses --scope user so the server is available outside one project. Use a project-scoped setup only when that is intentional.

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Verify

Run: 
gemini mcp list
Then ask Gemini to read fortress://workspace/overview.

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Manual config

Gemini CLI can also read mcpServers from ~/.gemini/settings.json: 
{
  "mcpServers": {
    "fortress-agent": {
      "httpUrl": "https://api.fortressproductivity.com/mcp?agent_id=<agent-id>",
      "headers": {
        "Authorization": "Bearer ft_<token>"
      }
    }
  }
}
See the Gemini CLI MCP server documentation.