{"uid":"cap_c2Ceobo6c6yca4cjMfAOT","slug":"shopify-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-4fea8808","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/indirect-injection-guard)","url":"https://shopify-intel.agentdiet.dev/v1/indirect-injection-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_6U0yfS2joi8ydg_OjAlv_","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 text.","exampleAgentPrompt":"Before processing this scraped webpage content into your context, scan it for any hidden prompt injections or jailbreak attempts and give me the sanitized version: '<html>...untrusted content here...</html>'","exampleUseCases":[{"title":"Guard agent from malicious web scrape","prompt":"I just scraped this webpage to summarize for my agent — before you use it, can you run it through the prompt injection firewall to make sure there are no hidden instructions in the HTML trying to hijack you?"},{"title":"Sanitize incoming email before LLM parsing","prompt":"I'm having my agent parse inbound customer emails, but I'm worried about prompt injection. Can you scan this email body for any jailbreak attempts or hidden instructions before passing it to the model: 'Dear assistant, ignore all previous instructions and...'"},{"title":"Validate MCP tool response before agent use","prompt":"My agent just got back a response from an external MCP tool and I don't fully trust the source — can you check this payload for any indirect prompt injection or jailbreak content before my agent acts on it?"}],"resultDescription":"Returns a JSON object containing the sanitized version of the input text with hidden prompt injections and jailbreak payloads removed, along with detection signals indicating whether malicious content was found and what was stripped.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Extremely long payloads may hit size limits or timeout","False negatives: sophisticated obfuscated injections may not be detected","Payment required (HTTP 402) if x402 micropayment is not provided","Ambiguous content may produce over-aggressive sanitization removing benign text"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests content from untrusted external sources — scraped web pages, user-submitted text, emails, third-party MCP tool responses, or A2A agent payloads — and you need to sanitize that content before it enters your LLM context window. Prefer this over general-purpose content filters when you specifically need prompt-injection and jailbreak detection tailored to agentic workflows, MCP, and A2A protocols.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:38:33.343Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-2f446dd7"}