{"uid":"cap_67Pmmm9XM1VdXd0RYIiR_","slug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-7c54c2f0","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-firewall)","url":"https://polymarket-odds.agentdiet.dev/v1/prompt-firewall?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_4wsBfsWFTMLR4x5LxaC8h","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 attempts, returning sanitized content.","exampleAgentPrompt":"Before you process that scraped webpage content, run it through the prompt-injection firewall first — scan this HTML for any hidden jailbreak or prompt-injection payloads and give me the sanitized version: '<html>...attacker content here...</html>'.","exampleUseCases":[{"title":"Sanitizing scraped web content for agents","prompt":"I'm about to feed this scraped webpage into my AI pipeline — can you scan it for any hidden prompt injections or adversarial instructions embedded in the HTML before I process it?"},{"title":"Checking email for jailbreak attempts","prompt":"Before my agent reads this incoming email and acts on it, run the body text through the prompt-injection firewall to make sure there are no jailbreak payloads hidden inside it."},{"title":"Validating MCP tool response safety","prompt":"My agent just got back a response from an external MCP tool — can you check that response text for any indirect prompt injection attacks before I let the agent act on the results?"}],"resultDescription":"Returns a JSON object indicating whether prompt injection or jailbreak content was detected in the input text, along with a sanitized version of the text safe for use in LLM pipelines.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Very large payloads may exceed request size limits or time out","False negatives are possible for novel or obfuscated injection techniques","HTTP 402 payment required if x402 payment header is not provided or insufficient","Ambiguous content may produce uncertain detection results"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests content from untrusted external sources — web scraping, emails, MCP tool responses, or A2A payloads — and you need a dedicated firewall pass before that content influences LLM behavior. Prefer it over generic content filters when the specific threat model is indirect prompt injection or jailbreaking of an autonomous agent.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:46.532Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-8ce8b4f9"}