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mcp/harbor
Gemini CLI

Citadel for Gemini CLI

dev.citadeldb/mcp

Encrypted-first embedded database with vector search and agent memory, exposed as MCP tools

client:Gemini CLI transport:stdio runtime:pypi

Install Citadel 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": {
    "mcp": {
      "command": "uvx",
      "args": [
        "citadeldb-mcp"
      ],
      "env": {
        "CITADEL_KEY": "<CITADEL_KEY>"
      }
    }
  }
}

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

Citadel in other clients

Citadel MCP server