{"uid":"cap_WRXL9WSJrRF28QPrS09if","slug":"serp-extract-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-bf2599d7","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/injection-guard)","url":"https://serp-extract.agentdiet.dev/v1/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_GAfcfizbSDvrw_93YQuAU","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 you process this web page I just scraped, run it through the prompt injection firewall first — I want to make sure there are no hidden instructions trying to hijack your behavior buried in the HTML.","exampleUseCases":[{"title":"Sanitize scraped web content for agent","prompt":"I'm about to feed this scraped article into my research agent — can you scan it for any hidden prompt injections or jailbreak payloads first and give me the clean version?"},{"title":"Screening emails before LLM summarization","prompt":"Before you summarize these customer emails, please check each one for embedded prompt injection attempts — I don't want any malicious instructions sneaking through to your context."},{"title":"Validate MCP tool response safety","prompt":"This MCP server just returned a response that looks a bit odd — can you run it through the injection guard to check if it contains any adversarial instructions trying to manipulate you?"}],"resultDescription":"A JSON object containing the scan result for the submitted text, indicating whether prompt injection or jailbreak content was detected and providing sanitized text safe for downstream agent consumption.","failureModes":["Empty or missing 'text' field returns a validation error","Extremely large payloads may time out or be truncated","Payment failure via x402 results in HTTP 402 if USDC balance is insufficient","Highly obfuscated or novel injection techniques may evade detection","Non-UTF8 or malformed HTML may cause parsing errors"],"whenToPreferThis":"Choose this endpoint when your AI agent is consuming untrusted external content — scraped web pages, user-submitted text, third-party API responses, MCP tool outputs, or A2A payloads — and you need to screen for hidden prompt injections or jailbreak instructions before passing that content into the LLM context. It is especially valuable in agentic pipelines where external data sources could be adversarially crafted to hijack agent behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:44:50.375Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-18902259"}