{"uid":"cap_Sqg9Z_UlK19MZez9Fhxju","slug":"cve-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-24b08568","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/tool-poisoning-shield)","url":"https://cve-intel.agentdiet.dev/v1/tool-poisoning-shield?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_FRBwQF1lbin720A72k0Px","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 injection and jailbreak attacks, returning sanitized output","exampleAgentPrompt":"Before you process this web page I just scraped, run it through the prompt-injection firewall to check for any hidden instructions or jailbreak attempts embedded in the HTML, and give me back the sanitized version.","exampleUseCases":[{"title":"Sanitizing scraped web content for agents","prompt":"I'm about to feed this scraped webpage into my agent pipeline — can you scan it for any hidden prompt injections or jailbreak instructions embedded in the HTML before passing it along?"},{"title":"Screening MCP tool responses for poisoning","prompt":"My agent just got a response back from an external MCP tool. Before I use it, check the response text for any tool-poisoning or indirect prompt injection attempts."},{"title":"Filtering untrusted emails before agent processing","prompt":"I have an incoming email I want my agent to summarize and act on, but I don't trust the sender — can you run the email body through the prompt-injection firewall first to make sure there are no hidden instructions targeting my AI?"}],"resultDescription":"Returns a structured object containing the scan result, including whether prompt injection or jailbreak payloads were detected, and a sanitized version of the input text with malicious instructions removed or flagged.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Extremely long input text may be truncated or rejected","Obfuscated or novel injection patterns may evade detection (false negatives)","Service unavailability returns HTTP 402 or 5xx errors","Non-text binary content passed as text may produce unreliable results"],"whenToPreferThis":"Use this endpoint when your AI agent needs to process content from untrusted external sources — such as scraped web pages, third-party API responses, MCP tool outputs, A2A payloads, or user-submitted emails — before including that content in a prompt or agentic workflow. Prefer this over generic content moderation services when your concern is specifically LLM-targeted prompt injection and jailbreak attacks rather than general policy violations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:34.733Z","isFirstParty":false,"canonicalSlug":"cve-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-bbb21450"}