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Vizier Guard

io.github.vassiliylakhonin/vizier-guard ยท v0.3.4

Deterministic authorization and security guard for AI agent actions with signed receipts.

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add vizier-guard -- uvx vizier-guard==0.3.4
claude_desktop_config.json
{
  "mcpServers": {
    "vizier-guard": {
      "command": "uvx",
      "args": [
        "vizier-guard==0.3.4"
      ]
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "vizier-guard": {
      "command": "uvx",
      "args": [
        "vizier-guard==0.3.4"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "vizier-guard": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "vizier-guard==0.3.4"
      ]
    }
  }
}

Tools

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

Details

Package[email protected] (PYPI, stdio)
First published12 Nov 2026
Last updated12 Nov 2026
Registry nameio.github.vassiliylakhonin/vizier-guard

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