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A2A Indirect Prompt-Injection & Jailbreak Firewall
A2A Indirect Prompt-Injection & Jailbreak Firewall is a paid API for AI agents from llms-generator.agentdiet.dev, paid per call via MPP, $0.005/call, status unknown (last checked 2026-10-21).
Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injections and jailbreak attempts, returning sanitized output.
Price / call$0.005
Success—
StatusUnknown
How this service works
Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and returns sanitized text. (Live x402 v2, IETF MPP & MCP endpoint at https://llms-generator.agentdiet.dev/v1/rag-poison-shield)
Output
Returns a JSON object containing the scan result for the submitted text, including detection of hidden prompt injections or jailbreak payloads and a sanitized version of the input text safe for downstream LLM consumption.
Example use cases
Protect RAG pipeline from poisoned documents
“I'm about to feed this scraped webpage into my RAG pipeline — can you scan it for any hidden prompt injection or jailbreak instructions embedded in the HTML before I chunk it?”
Sanitize MCP tool response before agent use
“My agent just got a response back from an external MCP tool. Before it acts on it, scan the payload for any hidden adversarial instructions or jailbreak attempts and return the clean version.”
Screen inbound email for injection attacks
“This inbound email is going to be summarized by my LLM assistant. First check it for indirect prompt injection — things like invisible instructions or override commands — and give me the sanitized text.”
Technical details
Endpoint
GEThttps://llms-generator.agentdiet.dev/v1/rag-poison-shield?utm_source=zero.xyzWhen to prefer
Choose this endpoint when your agent pipeline ingests untrusted external content — web pages, emails, MCP/A2A tool responses, or RAG document chunks — that could contain adversarial hidden instructions. It is especially valuable before passing third-party content to an LLM that has privileged access or tool-use capabilities, where prompt injection could cause unintended actions. Prefer this over generic content filters when the threat model specifically involves indirect prompt injection or jailbreak payloads targeting LLM agents.
Side effects
- Empty or missing 'text' parameter returns a validation error
- Payment required (HTTP 402) if x402 micropayment header is absent or insufficient
- Very large text inputs may be truncated or rejected
- False negatives possible for novel or obfuscated injection techniques
- Network timeout if the service is under load
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string | Untrusted text, HTML, or tool output to scan for hidden prompt injection or jailbreak payloads |
Output
Schema · Response
{
"type": "object"
}Reviews
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