AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall is answering right now. Last checked 14 min ago. It exposes 2 tools. Last commit 17 Oct 2026.
Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections an.
Today is the operative word: we check AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.
claude mcp add prompt-guard --transport http https://prompt-guard.agentdiet.dev/mcp
https://prompt-guard.agentdiet.dev/mcp
[mcp_servers.prompt-guard]
url = "https://prompt-guard.agentdiet.dev/mcp"
{
"mcpServers": {
"prompt-guard": {
"url": "https://prompt-guard.agentdiet.dev/mcp"
}
}
}
{
"servers": {
"prompt-guard": {
"type": "http",
"url": "https://prompt-guard.agentdiet.dev/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_agent_wallet_status
scan_prompt_injection
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://prompt-guard.agentdiet.dev/mcp | streamable-http | answering | 315 ms | 14 min ago |
Scans untrusted web pages, emails, or tool outputs for prompt injections and returns sanitized tex
A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.
A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.
Email safety for AI agents: scan inbound for prompt-injection/phishing + outbound for secret leaks.
Email MCP server for Gmail, Outlook and any IMAP mailbox, hardened against prompt injection
Reputation for IPs, domains, URLs, hashes, emails, phones; CVEs; injection and email scans
A real email inbox for AI agents: human-approved sends, untrusted-by-default inbound.
Check an email before an AI agent sends it: send / ask a human / block. Detects prompt injection.
Answers built from our own checks of this server.