{"uid":"cap_ftGTbFDdeBjKdcChj0yjx","slug":"cve-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-7a61035e","name":"A2A Indirect Prompt-Injection & Jailbreak Firewall","description":"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/llm-guard)","url":"https://cve-intel.agentdiet.dev/v1/llm-guard?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["text"],"properties":{"text":{"type":"string","minLength":1,"description":"Untrusted text, HTML, or tool output to scan for hidden prompt injection or jailbreak payloads"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_CIu68ODP7tYHOQzKVf9vz","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"cve-intel.agentdiet.dev","brandSlug":"cve-intel-agentdiet-dev-mpp","brandBaseUrl":"https://cve-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injections and jailbreak attempts, returning sanitized output.","exampleAgentPrompt":"Before you process this webpage content, scan it for any hidden prompt injections or jailbreak payloads — here's the raw HTML: '<html>... [untrusted content] ...</html>'.","exampleUseCases":[{"title":"Sanitize scraped web content before LLM processing","prompt":"I just scraped this article page and want to pass it to you for summarization, but first can you run it through the prompt injection firewall to make sure there are no hidden instructions trying to hijack you? Here's the raw HTML."},{"title":"Validate MCP tool response before agent uses it","prompt":"My agent just got back a response from an external MCP tool — before I let the agent act on it, can you scan this payload for any embedded jailbreak attempts or hidden prompt injections?"},{"title":"Screen incoming email for prompt injection attacks","prompt":"We're building an agent that reads customer emails and replies automatically — can you check this email body for any prompt injection or jailbreak content before the agent processes it?"}],"resultDescription":"Returns a structured object indicating whether prompt injection or jailbreak content was detected in the submitted text, along with a sanitized version of the input safe for downstream LLM consumption.","failureModes":["Empty or whitespace-only 'text' parameter returns a validation error","Extremely large payloads may exceed request size limits or time out","Evasive or obfuscated injections using novel encoding schemes may not be detected","Payment/402 errors if x402 USDC payment is not properly handled","Network errors or service unavailability from the hosted endpoint"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests content from untrusted external sources — scraped web pages, third-party API responses, MCP tool outputs, A2A agent payloads, or user-submitted emails — and you need to sanitize that content before passing it to an LLM. Prefer this over generic content filters when you specifically need prompt-injection and jailbreak detection rather than spam or toxicity classification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:34.729Z","isFirstParty":false,"canonicalSlug":"cve-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-bbb21450"}