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A2A Indirect Prompt-Injection & Jailbreak Firewall
A2A Indirect Prompt-Injection & Jailbreak Firewall is a paid API for AI agents from cve-intel.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 injection 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://cve-intel.agentdiet.dev/v1/injection-firewall)
Output
Returns a structured object indicating whether the input text contains prompt injection or jailbreak payloads, along with sanitized version of the text safe for agent consumption.
Example use cases
Sanitizing scraped web content for agent pipeline
“I'm about to feed this scraped article into my AI research agent — can you scan the raw HTML text for any hidden prompt injections or adversarial instructions before it processes it?”
Screening inbound emails before AI assistant acts
“My AI email assistant is about to read and respond to this incoming message — can you run the email body through the injection firewall to make sure it doesn't contain any jailbreak attempts targeting the assistant?”
Validating MCP tool response before LLM consumption
“My agent just got back a response from an external MCP tool — before it acts on the output, can you scan that payload text for any embedded prompt injection or jailbreak content hiding in it?”
Technical details
Endpoint
GEThttps://cve-intel.agentdiet.dev/v1/injection-firewall?utm_source=zero.xyzWhen to prefer
Choose this endpoint when your AI agent is about to consume untrusted third-party content — scraped web pages, emails, MCP tool responses, or A2A payloads — and you need a dedicated firewall pass before the content reaches the LLM context. Prefer this over generic content moderation APIs when the threat model is specifically prompt injection and jailbreak attacks targeting AI agents rather than harmful user-generated content.
Side effects
- Empty or missing 'text' parameter returns a validation error
- Extremely long text inputs may be truncated or rejected
- False negatives possible for novel or obfuscated injection techniques
- Payment failure via x402 results in HTTP 402 response blocking the call
- Network timeout if the scanning 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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