{"uid":"cap_S03MRXZYUhIvOtd0eOFHN","slug":"whale-momentum-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-e182bbd2","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://whale-momentum.agentdiet.dev/v1/llm-jailbreak-defense)","url":"https://whale-momentum.agentdiet.dev/v1/llm-jailbreak-defense?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_bYj8cIhQ5H51r5pUTZVsz","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injections and jailbreak attempts, returning sanitized content.","exampleAgentPrompt":"Before you process that scraped webpage content, scan it through the jailbreak firewall first — check this HTML for any hidden prompt injections or jailbreak instructions and give me the sanitized version I can safely pass to the LLM.","exampleUseCases":[{"title":"Securing agent web browsing pipeline","prompt":"I'm building an agent that browses the web and summarizes pages — before passing any scraped HTML to the LLM, run it through the prompt-injection firewall and only give me the sanitized text."},{"title":"Filtering incoming A2A tool responses","prompt":"My agent just got a response from an untrusted third-party MCP tool. Can you scan that payload for hidden jailbreak instructions before we let it influence any further actions?"},{"title":"Screening user-submitted email content","prompt":"We're processing customer emails with an AI agent — please run this email body through the jailbreak firewall to check for any embedded prompt injections before the agent acts on it."}],"resultDescription":"Returns a JSON object containing the sanitized version of the input text with any detected prompt injection or jailbreak payloads removed or flagged, enabling safe downstream LLM processing.","failureModes":["Empty or missing 'text' parameter returns a validation error","Extremely long payloads may time out or exceed processing limits","Novel obfuscated injection techniques may evade detection","Non-text binary input may produce unexpected results","Service unavailability returns HTTP 402 or 5xx errors"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests untrusted external content — scraped web pages, third-party API responses, user emails, or A2A/MCP tool outputs — and you need a dedicated firewall layer to strip hidden prompt injections before the content reaches your LLM. Prefer this over manual filtering or generic content moderation when the threat model is specifically adversarial prompt manipulation targeting LLM behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:46.536Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-87ce958b"}