AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall for Cursor

dev.agentdiet/prompt-guard

Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections an.

client:Cursor transport:streamable-http tools:2

Install AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall in Cursor

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

{
  "mcpServers": {
    "prompt-guard": {
      "url": "https://prompt-guard.agentdiet.dev/mcp"
    }
  }
}

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