{"uid":"cap_hz1gZplvOF_2SURoE-xPq","slug":"shopify-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-128f3308","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://shopify-intel.agentdiet.dev/v1/prompt-shield)","url":"https://shopify-intel.agentdiet.dev/v1/prompt-shield?utm_source=zero.xyz","method":"POST","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_DBZd3swaq-ZAQaBgcwAOS","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"shopify-intel.agentdiet.dev","brandSlug":"shopify-intel-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-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 I process this webpage content my scraper just pulled, can you scan it for hidden prompt injections or jailbreak payloads and give me the sanitized version?","exampleUseCases":[{"title":"Sanitizing scraped web content for agent pipeline","prompt":"I just scraped this product page HTML and I want to pass it to my summarizer agent — can you first scan it for any hidden prompt injection instructions and give me the cleaned text?"},{"title":"Checking email body before LLM processing","prompt":"This email came from an unknown sender and I need my AI to read it — can you scan the email body for jailbreak attempts or embedded prompt injections before I forward it to the agent?"},{"title":"Validating MCP tool response safety","prompt":"My MCP tool just returned this JSON response and I'm about to feed it back into my agent loop — can you check it for indirect prompt injection payloads and sanitize it first?"}],"resultDescription":"Returns a JSON object containing the sanitized version of the input text with any detected prompt injection or jailbreak content neutralized, along with detection signals indicating whether an attack was found.","failureModes":["Empty or missing 'text' field returns a 400 validation error","Payload too large may result in a timeout or size-limit error","Ambiguous injection patterns may go undetected if obfuscated beyond heuristic thresholds","Payment required (HTTP 402) if x402 micropayment header is missing or invalid","Network latency spikes may delay response for very large HTML inputs"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests untrusted external content — scraped web pages, emails, third-party tool responses, or A2A payloads — and you need to sanitize it before passing it to an LLM to prevent indirect prompt injection or jailbreak attacks. It is especially valuable in autonomous agent loops where tool outputs feed back into the context window without human review.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:02.946Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-2f446dd7"}