{"uid":"cap_FhbMBfrTXHh3SajGwnsxm","slug":"llms-generator-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-b0c28c2d","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://llms-generator.agentdiet.dev/v1/injection-guard)","url":"https://llms-generator.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_BSToicuSVwPvbOAgGhUBE","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"llms-generator.agentdiet.dev","brandSlug":"llms-generator-agentdiet-dev-mpp","brandBaseUrl":"https://llms-generator.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injections and jailbreak attempts, returning sanitized output.","exampleAgentPrompt":"Before you process this scraped web page, run it through the injection-guard firewall to check for any hidden prompt injection or jailbreak instructions embedded in the text.","exampleUseCases":[{"title":"Guarding agent from malicious web content","prompt":"I'm about to feed this scraped HTML page to my agent pipeline — can you first scan it for any hidden prompt injection attacks or jailbreak payloads before we proceed?"},{"title":"Sanitizing email before LLM processing","prompt":"Check this incoming email body for embedded prompt injection attempts or adversarial instructions before my AI assistant reads and acts on it."},{"title":"Validating MCP tool response","prompt":"My agent just got a response back from an external MCP server — can you run it through the prompt injection firewall to make sure there are no hidden commands trying to hijack the agent?"}],"resultDescription":"Returns a structured object indicating whether prompt injection or jailbreak content was detected in the input, along with sanitized text with adversarial instructions removed or flagged.","failureModes":["Empty or missing 'text' parameter returns a validation error","Extremely long inputs may be truncated or rejected","False negatives possible for novel or obfuscated injection techniques","Service unavailability or HTTP 402 payment required if credits are exhausted","Non-text binary content may not be properly analyzed"],"whenToPreferThis":"Use this endpoint when your AI agent pipeline ingests content from untrusted external sources — scraped web pages, user-submitted emails, third-party MCP tool responses, or A2A agent messages — and you need to detect and neutralize hidden prompt injection or jailbreak payloads before processing. Prefer this over manual filtering when operating at scale in automated agent pipelines where adversarial content is a real attack surface.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:45:44.753Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-2f72a7cf"}