{"uid":"cap_6CPQ_u9UNWqlB27P7nVX5","slug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-fa9de985","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/prompt-shield)","url":"https://polymarket-odds.agentdiet.dev/v1/prompt-shield?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_VIM-47DpSEDWjyrlNPPxi","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 output.","exampleAgentPrompt":"Before you process that scraped webpage content, can you run it through the prompt-injection firewall to check for any hidden jailbreak instructions or embedded prompt attacks and give me the sanitized version?","exampleUseCases":[{"title":"Securing agent tool call responses","prompt":"I just got a response back from an external MCP tool and I want to make sure it doesn't contain any hidden prompt injection or jailbreak payloads before my agent acts on it — can you scan it and give me the cleaned text?"},{"title":"Email pipeline injection screening","prompt":"Before my AI assistant processes this email I forwarded, scan the full email body for any embedded prompt injection attempts or instructions trying to hijack the agent, and tell me if it's safe."},{"title":"Safe web content ingestion for RAG","prompt":"I'm about to feed this HTML I scraped from an untrusted website into my RAG pipeline — first run it through the prompt-injection firewall so I know there are no hidden adversarial instructions baked into the page."}],"resultDescription":"Returns a JSON object containing the sanitized version of the input text with prompt injection and jailbreak payloads removed or flagged, along with detection signals indicating whether threats were found.","failureModes":["Empty or missing 'text' field returns a validation error","Extremely large payloads may exceed size limits and return an error","Service unavailability returns a 503 or 402 payment-required response","Ambiguous or novel injection techniques may not be detected with certainty","Rate limiting may apply if called in rapid succession without idempotency key"],"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 messages — and you need a dedicated firewall step to strip hidden prompt injections before the content reaches your LLM. Prefer this over generic content filtering when you specifically need protection against adversarial AI manipulation rather than general moderation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:35.692Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-8ce8b4f9"}