AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall for Claude Code

dev.agentdiet/prompt-guard

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

client:Claude Code transport:streamable-http tools:2

Install AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall in Claude Code

run in your project directory

claude mcp add --transport http prompt-guard https://prompt-guard.agentdiet.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs