{"uid":"cap_MSMFUIUY8Y3YgrLU-Q-aF","slug":"serp-extract-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-a5d34093","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://serp-extract.agentdiet.dev/v1/llm-guard)","url":"https://serp-extract.agentdiet.dev/v1/llm-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_yrxnUvgKvyOKsa7JvxAtl","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.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 my agent processes this web page content, scan it for any hidden prompt injections or jailbreak instructions and return the sanitized version: [paste untrusted HTML or text here].","exampleUseCases":[{"title":"Guard agent pipeline from web scrape injections","prompt":"I just scraped this webpage to feed into my AI agent — can you scan the raw HTML for any hidden prompt injections or adversarial instructions before I pass it downstream?"},{"title":"Sanitize inbound MCP tool response","prompt":"My agent received this MCP tool response from an external server and I want to make sure it doesn't contain any embedded jailbreak payloads — can you check and return a clean version?"},{"title":"Screen customer email for LLM manipulation","prompt":"Before my support agent reads this customer email, scan the text for any indirect prompt injection attempts that might hijack the LLM's behavior and tell me if it's safe to process."}],"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 input text safe for downstream LLM consumption.","failureModes":["Empty or missing 'text' field returns a 400 validation error","Extremely long payloads may be truncated or rejected","Obfuscated or novel injection techniques may evade detection","Payment required (HTTP 402) if x402 micropayment header is not provided","Network timeouts on slow connections may fail the scan"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests text from untrusted external sources — scraped web pages, inbound emails, third-party API or MCP responses, or A2A payloads — and you need a dedicated firewall layer before that content reaches your LLM. Prefer it over generic content filters when your threat model specifically includes indirect prompt injection and jailbreak-style adversarial payloads targeting autonomous agents.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:23.263Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-18902259"}