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mcp/harbor
VS Code

Citadel for VS Code

dev.citadeldb/mcp

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

client:VS Code transport:stdio runtime:pypi

Install Citadel in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "citadel-key",
      "description": "CITADEL_KEY",
      "password": true
    }
  ],
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "citadeldb-mcp"
      ],
      "env": {
        "CITADEL_KEY": "${input:citadel-key}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

Citadel in other clients

Citadel MCP server