{"uid":"cap_V75XLkf6FG8NyeQ8-y6od","slug":"x402-audit-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-ca48d923","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://x402-audit.agentdiet.dev/v1/llm-jailbreak-defense)","url":"https://x402-audit.agentdiet.dev/v1/llm-jailbreak-defense?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_DZVmftmQIQhdCHJCf1_UB","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402-audit.agentdiet.dev","brandSlug":"x402-audit-agentdiet-dev-mpp","brandBaseUrl":"https://x402-audit.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 that scraped webpage content, can you run it through the jailbreak firewall to check for any hidden prompt injections or adversarial instructions embedded in the HTML?","exampleUseCases":[{"title":"Sanitizing web-scraped content for agent pipelines","prompt":"I'm about to feed this scraped article into my AI pipeline — can you scan it for any hidden prompt injections or embedded jailbreak instructions before passing it along?"},{"title":"Screening inbound emails for LLM manipulation","prompt":"This email is going to be summarized by my AI agent — please check it for any indirect prompt injection attempts or malicious instructions hidden in the text first."},{"title":"Validating MCP tool responses before agent use","prompt":"My agent just got back a response from an external MCP tool — can you run it through the prompt injection firewall to make sure it's safe to act on before my agent processes it?"}],"resultDescription":"Returns a structured object indicating whether prompt injection or jailbreak content was detected in the input, along with sanitized text safe for downstream LLM consumption.","failureModes":["Missing required 'text' parameter returns a 400 error","Empty string input rejected due to minLength:1 constraint","Very large payloads may time out or be truncated","False negatives possible for novel or obfuscated injection techniques","Payment failure via x402 protocol results in 402 response blocking the scan"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests content from untrusted external sources — web pages, emails, third-party API responses, MCP tool outputs, or A2A payloads — and you need to screen for hidden adversarial instructions before passing content to an LLM. Particularly valuable in agentic workflows where a compromised intermediate response could hijack agent behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:39.902Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-cd2da2c7"}