NestDaddy

Signato

io.github.Signato-ai/signato · v0.13.1

Local confidentiality chamber: blocks the wrong AI output before it leaves the machine.

Connect Runs on your machine

Terminal
claude mcp add signato -e JOHARI_GUARD_CONFIG=<JOHARI_GUARD_CONFIG> -- uvx signato==0.13.1
claude_desktop_config.json
{
  "mcpServers": {
    "signato": {
      "command": "uvx",
      "args": [
        "signato==0.13.1"
      ],
      "env": {
        "JOHARI_GUARD_CONFIG": "<JOHARI_GUARD_CONFIG>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "signato": {
      "command": "uvx",
      "args": [
        "signato==0.13.1"
      ],
      "env": {
        "JOHARI_GUARD_CONFIG": "<JOHARI_GUARD_CONFIG>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "signato": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "signato==0.13.1"
      ],
      "env": {
        "JOHARI_GUARD_CONFIG": "<JOHARI_GUARD_CONFIG>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
JOHARI_GUARD_CONFIG
Optional
Absolute path to your matrix.yaml (who-can-know-what). Without it the server answers NOT_CHECKED and points to 'signato quickstart'.

Details

Package[email protected] (PYPI, stdio)
First published17 Jul 2026
Last updated17 Jul 2026
Registry nameio.github.Signato-ai/signato

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