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mcp/harbor
Windsurf

Deus Witness for Windsurf

io.github.sipkigroup/witness

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

client:Windsurf transport:stdio runtime:pypi

Install Deus Witness in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "witness": {
      "command": "uvx",
      "args": [
        "deus-witness"
      ],
      "env": {
        "DEUS_WITNESS_KEY": "<DEUS_WITNESS_KEY>",
        "DEUS_WITNESS_URL": "<DEUS_WITNESS_URL>"
      }
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs

Deus Witness in other clients

Deus Witness MCP server