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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 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://cve-intel.agentdiet.dev/v1/injection-guard)
Output
Returns a JSON object containing the sanitized version of the input text with any detected prompt injection or jailbreak payloads removed or flagged, along with detection metadata indicating whether threats were found.
Example use cases
Sanitizing scraped web content for agents
“I'm about to feed this scraped webpage into my AI pipeline — can you first scan it for any hidden prompt injections or jailbreak payloads and return the clean version?”
Checking MCP tool responses for adversarial payloads
“Before my agent acts on this MCP tool response, can you run it through the injection firewall to make sure it doesn't contain any hidden instructions trying to override my agent's behavior?”
Screening user-submitted emails for jailbreak attempts
“I have an incoming email my agent is about to summarize and act on — please scan the full email text for any embedded prompt injection or jailbreak attempts before it touches the agent.”
Technical details
Endpoint
GEThttps://cve-intel.agentdiet.dev/v1/injection-guard?utm_source=zero.xyzWhen to prefer
Choose this endpoint when your AI agent is about to process content from untrusted external sources — scraped web pages, third-party API responses, MCP tool outputs, user-submitted emails, or A2A payloads — and you need to ensure no adversarial prompt injection or jailbreak instructions are hidden within. Particularly valuable in multi-agent pipelines where one agent's output feeds into another, creating indirect injection attack surfaces.
Side effects
- Empty or missing 'text' parameter returns a validation error
- Extremely long payloads may be truncated or rejected
- False negatives: sophisticated obfuscated injections may not be caught
- False positives: legitimate instructional content may be flagged
- Service unavailability returns HTTP 402 or 5xx errors
- Non-text binary content passed as string may produce unreliable results
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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