Skip to content
Cursor

Aperion Shield for Cursor

io.github.aperionai/shield

Local guardrail proxy that blocks destructive MCP tool calls, rug pulls, and tool poisoning

client:Cursor transport:stdio runtime:oci

Install Aperion Shield in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "shield": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/aperionai/shield:shield-v1.0.1"
      ]
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Aperion Shield in other clients