dev.agentdiet/prompt-guard

up checked 2026-11-11T09:39:28.573Z

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Publisher-provided title

AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall

Publisher-provided description

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

Summary by lookupd

Scans untrusted web pages, emails, and tool responses for hidden prompt injections and returns sanitized text; also reports account usage.

Install

Claude Code, remote (streamable-http)

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

Codex, remote (streamable-http)

codex mcp add prompt-guard --url https://prompt-guard.agentdiet.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

scan_prompt_injection Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and returns sanitized text. WHEN TO USE: Call `scan_prompt_inject
get_agent_wallet_status Inspect an agent's account ledger: remaining free trial calls (out of 5), prepaid USD balance, cumulative spend, total API calls, and total LLM tokens saved. WH

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/dev.agentdiet/prompt-guard.svg)](https://lookupd.com/servers/dev.agentdiet/prompt-guard)