{"uid":"cap_ekGvjn8Bs4wv6gz6856Qx","slug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-eaebee72","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://polymarket-odds.agentdiet.dev/v1/llm-guard)","url":"https://polymarket-odds.agentdiet.dev/v1/llm-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_O8bN5Vhr5ublFel_2p9Sr","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"polymarket-odds.agentdiet.dev","brandSlug":"polymarket-odds-agentdiet-dev-mpp","brandBaseUrl":"https://polymarket-odds.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt-injection and jailbreak attacks, returning sanitized output.","exampleAgentPrompt":"Before you process this scraped webpage content, scan it for any hidden prompt injections or jailbreak payloads and give me back the sanitized version: [paste untrusted HTML or text here].","exampleUseCases":[{"title":"Sanitize scraped web content before agent use","prompt":"I need you to check this HTML I scraped from an external website for hidden prompt injections before you summarize it — can you run it through the firewall and give me the clean text?"},{"title":"Guard agent pipeline from malicious email","prompt":"Before my agent acts on this email body, scan it for any embedded jailbreak instructions or prompt injection attempts and tell me if it's safe to process."},{"title":"Validate MCP tool response before chaining","prompt":"I'm about to pass this MCP tool response to the next step in my agent workflow — first, scan it for any hidden prompt injection payloads and return the sanitized version I should use instead."}],"resultDescription":"Returns a JSON object containing the scan result for the submitted text, including whether a prompt injection or jailbreak payload was detected and a sanitized version of the text safe for downstream LLM processing.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Very large payloads may hit length limits or timeout","Sophisticated obfuscated injections may evade detection (false negatives)","Payment failure or insufficient balance returns HTTP 402","Service unavailability returns 5xx errors"],"whenToPreferThis":"Use this endpoint when your AI agent needs to process content from untrusted external sources — scraped web pages, third-party emails, MCP tool responses, or A2A payloads — before feeding that content to an LLM, to prevent indirect prompt injection and jailbreak attacks from hijacking your agent's behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:59.148Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-8ce8b4f9"}