agentglass for Cursor

net.agentglass/agentglass

Scan any public URL for hidden instructions aimed at AI agents (prompt injection). Free, no auth.

client:Cursor transport:streamable-http tools:1

Install agentglass in Cursor

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

{
  "mcpServers": {
    "agentglass": {
      "url": "https://agentglass.net/mcp"
    }
  }
}

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