{"uid":"cap_1spkgL11JEwpIso3C6tp8","slug":"defi-yield-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-6ff6c4c0","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://defi-yield.agentdiet.dev/v1/injection-firewall)","url":"https://defi-yield.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_wlNOyOqtd9LIx9WePTuiD","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"defi-yield.agentdiet.dev","brandSlug":"defi-yield-agentdiet-dev-mpp","brandBaseUrl":"https://defi-yield.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injections and jailbreak attempts, returning sanitized content.","exampleAgentPrompt":"Before you process that scraped web page, run it through the injection firewall first — check it for any hidden prompt injections or jailbreak payloads and give me back the sanitized version.","exampleUseCases":[{"title":"Sanitize scraped web content for agent","prompt":"I'm about to feed this scraped article HTML to my AI pipeline — can you scan it for hidden prompt injections first and return the clean text so my agent doesn't get hijacked?"},{"title":"Protect agent from malicious email","prompt":"This email came from an unknown sender and my agent is about to summarize it — please scan the email body for any embedded jailbreak or prompt injection attacks before it gets processed."},{"title":"Validate MCP tool response before routing","prompt":"My MCP server just returned this tool output and I need to route it to other agents — run it through the prompt injection firewall to make sure there are no hidden adversarial instructions in it."}],"resultDescription":"Returns a response object indicating whether prompt injection or jailbreak content was detected in the input text, along with a sanitized version of the text safe for downstream agent consumption.","failureModes":["Empty or missing 'text' parameter returns a validation error","Extremely long text inputs may hit size limits or timeout","Ambiguous or obfuscated injections may not be detected with 100% accuracy","Service unavailability returns HTTP 402 or 5xx if payment or upstream issues occur"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests untrusted external content — scraped web pages, emails, MCP/A2A tool outputs, or user-submitted text — before passing it to an LLM, to prevent indirect prompt injection and jailbreak attacks from hijacking agent behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:41.355Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-76aae4ab"}