{"uid":"cap_if_4EC03184ZkyfGhAVjP","slug":"shopify-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-2f446dd7","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/guard)","url":"https://shopify-intel.agentdiet.dev/v1/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_jUQ6M1Lr0D6TesZ2QkA8P","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, web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and jailbreak attempts, returning sanitized text.","exampleAgentPrompt":"Before you process this email body I just fetched, run it through the prompt-injection firewall to make sure there are no hidden instructions or jailbreak payloads embedded in the text.","exampleUseCases":[{"title":"Guard agent against malicious web scrape","prompt":"I just scraped this webpage to feed into my research agent — can you scan the raw HTML for any hidden prompt injection or jailbreak instructions before passing it along?"},{"title":"Sanitize MCP tool response","prompt":"My agent just got back a response from an external MCP tool. Before I let the agent act on it, check the response text for any embedded adversarial instructions or jailbreak payloads."},{"title":"Verify user-submitted content safety","prompt":"A user just submitted this block of text to my AI assistant — scan it for any hidden prompt injections or attempts to hijack the system prompt before my agent reads it."}],"resultDescription":"Returns a JSON object containing the sanitized version of the input text with any detected prompt injection or jailbreak content removed or flagged, along with detection signals indicating whether adversarial content was found.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Extremely long text payloads may exceed input limits or time out","Novel or obfuscated injection techniques may evade detection","Non-UTF-8 encoded content may cause parsing issues","Payment failure via x402 results in a 402 response blocking the scan"],"whenToPreferThis":"Use this endpoint whenever an AI agent is about to consume untrusted external content — scraped web pages, emails, MCP tool responses, A2A messages, or user-supplied text — and needs a security checkpoint to detect and strip hidden prompt injections or jailbreak instructions before they can influence the agent's behavior. Prefer this over generic content filters when your threat model specifically involves adversarial LLM manipulation rather than traditional spam or malware.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:02.249Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-2f446dd7"}