An open-source security proxy and active firewall for the Model Context Protocol (MCP). It acts as a real-time 'Reflex System' between AI agents and their tools, protecting the host system from malicious intent, prompt injection, and data exfiltration.

{
  "mcpServers": {
    "mcpvanguard": {
      "command": "uvx",
      "args": [
        "mcp-vanguard"
      ]
    }
  }
}