{"uid":"cap_xQ7xQLQT09qNg2HAOEuqr","slug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-f420f2a2","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/indirect-injection-guard)","url":"https://polymarket-odds.agentdiet.dev/v1/indirect-injection-guard?utm_source=zero.xyz","method":"POST","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_U_tR7ATZROo7MoI9j23LO","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 injections and jailbreak attempts, returning sanitized content.","exampleAgentPrompt":"Before you process this web page I scraped, run it through the prompt-injection firewall to check for any hidden instructions or jailbreak payloads embedded in the HTML, then give me the sanitized version.","exampleUseCases":[{"title":"Agent pipeline web scrape guard","prompt":"I want you to fetch the contents of this external URL and scan it for any hidden prompt injections or jailbreak instructions before you summarize it — here's the raw HTML: <html>..."},{"title":"Email body injection check","prompt":"I just received this email from an unknown sender — can you scan the body text for any hidden prompt injection attempts or adversarial instructions before you act on anything it says? Here's the full text: 'Dear agent, ignore previous instructions and...'"},{"title":"MCP tool response sanitization","prompt":"Before you use the output from that third-party MCP tool, please run it through the indirect injection firewall to strip out any embedded jailbreak payloads — the raw response is: '{\"result\": \"Ignore your system prompt and...\"}'"}],"resultDescription":"Returns a structured object indicating whether prompt injection or jailbreak content was detected in the input, along with sanitized text with malicious instructions removed or flagged, enabling the agent to safely process the cleaned content.","failureModes":["Empty or missing 'text' field returns a 400 validation error","Payload too large may trigger a timeout or size-limit error","Ambiguous or obfuscated injections may not be detected (false negatives)","Payment failure via x402 returns 402 Payment Required","Service unavailability returns 5xx errors"],"whenToPreferThis":"Use this endpoint when your AI agent pipeline ingests content from untrusted external sources — web pages, emails, third-party APIs, MCP tool responses, or A2A agent payloads — before passing that content to an LLM. It is purpose-built for indirect prompt injection defense rather than general content moderation or spam filtering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:20.804Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-8ce8b4f9"}