{"uid":"cap_WYAOl-WwkdqgqSl8W93sn","slug":"workflows-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-6bdbe61f","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://workflows.agentdiet.dev/v1/injection-guard)","url":"https://workflows.agentdiet.dev/v1/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_cFCh7kC94LARVEcwrlqvA","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injection and jailbreak attempts, returning sanitized output.","exampleAgentPrompt":"Before you process the content from that scraped web page, run it through the injection-guard firewall to check for hidden prompt injections or jailbreak payloads and give me the sanitized version.","exampleUseCases":[{"title":"Sanitize scraped web content for agent pipeline","prompt":"I'm about to feed this scraped HTML into my AI agent — can you first scan it for any hidden prompt injections or adversarial instructions and return me the clean, safe version?"},{"title":"Screen incoming emails before agent processing","prompt":"This email came from an untrusted sender and my agent needs to read it — please run it through the prompt-injection firewall first to make sure there are no embedded jailbreak attempts hiding in the text."},{"title":"Validate MCP tool response before acting on it","prompt":"My agent just got back a response from a third-party MCP tool and I don't fully trust the source — can you scan that response payload for any indirect prompt injection before the agent acts on the instructions inside?"}],"resultDescription":"Returns a structured object indicating whether a prompt injection or jailbreak payload was detected in the input text, along with a sanitized version of the content safe for downstream agent consumption.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Extremely long payloads may exceed request limits or time out","False negatives possible for novel or obfuscated injection techniques not yet in detection patterns","Non-English or encoded injections may reduce detection accuracy","Payment failure via x402 results in a 402 Payment Required response blocking the scan"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests untrusted external content — scraped web pages, emails, third-party MCP/A2A tool responses, or user-submitted text — and you need a dedicated firewall step before that content influences agent behavior. It is specifically designed for agentic security contexts (A2A, MCP, indirect injection) rather than generic content moderation, making it the right choice when defending autonomous agent workflows rather than just classifying user-facing text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T10:57:18.231Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-c768e008"}