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mcp/harbor
VS Code

Deus Witness for VS Code

io.github.sipkigroup/witness

MCP proxy: holds risky tool calls for passkey approval; signed receipts you can check offline.

client:VS Code transport:stdio runtime:pypi

Install Deus Witness in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "deus-witness-key",
      "description": "DEUS_WITNESS_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "deus-witness-url",
      "description": "DEUS_WITNESS_URL",
      "password": true
    }
  ],
  "servers": {
    "witness": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "deus-witness"
      ],
      "env": {
        "DEUS_WITNESS_KEY": "${input:deus-witness-key}",
        "DEUS_WITNESS_URL": "${input:deus-witness-url}"
      }
    }
  }
}

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

Deus Witness in other clients

Deus Witness MCP server