{"uid":"cap_ZOyj2pq6rwQWDi6qEda5K","slug":"shopify-spy-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-b0779092","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-spy.agentdiet.dev/v1/injection-firewall)","url":"https://shopify-spy.agentdiet.dev/v1/injection-firewall?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_qDZBLdw5LeDIUdB8LIAXA","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-spy.agentdiet.dev","brandSlug":"shopify-spy-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-spy.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 scraped webpage content, run it through the prompt-injection firewall to check for any hidden jailbreak instructions or adversarial injections: [paste raw HTML or text here].","exampleUseCases":[{"title":"Screening scraped web content for agent safety","prompt":"I just scraped a competitor's product page and want to feed it into my agent pipeline — can you first scan it for any hidden prompt injections or adversarial instructions embedded in the HTML?"},{"title":"Validating MCP tool response before use","prompt":"My agent just got a response back from an external MCP tool and I'm worried it might contain a hidden jailbreak payload — can you run it through the injection firewall and give me the sanitized version?"},{"title":"Filtering user-submitted email for LLM processing","prompt":"A user emailed us some feedback and I want to summarize it with my AI, but I need to first check if the email body contains any indirect prompt injection attempts — can you scan it and return the clean text?"}],"resultDescription":"A JSON object containing the scan result for the submitted text, including whether prompt injection or jailbreak content was detected and a sanitized version of the input text safe for downstream agent consumption.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Extremely long payloads may hit query string length limits since text is passed as a GET query parameter","Payment required (HTTP 402) if x402 USDC micropayment is not provided","Ambiguous or obfuscated injections may not be detected if sufficiently novel","Non-English injection attempts may have lower detection accuracy"],"whenToPreferThis":"Choose this endpoint when your AI agent needs to process untrusted third-party content — such as scraped web pages, external API responses, MCP tool outputs, or user-submitted emails — before feeding that content into an LLM or agent pipeline. It is particularly valuable in autonomous A2A and MCP orchestration scenarios where agent-to-agent communication creates indirect prompt injection risk. Prefer this over general-purpose content filters when you specifically need injection and jailbreak detection tuned for agentic workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:31.460Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-2787c422"}