{"uid":"cap_-92mGDC9kMlrCaMsaE_bt","slug":"token-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-55e73728","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://token-intel.agentdiet.dev/v1/injection-firewall)","url":"https://token-intel.agentdiet.dev/v1/injection-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_vfclUD0ABb4zqmH8Q08G3","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"token-intel.agentdiet.dev","brandSlug":"token-intel-agentdiet-dev-mpp","brandBaseUrl":"https://token-intel.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 web page, run it through the prompt-injection firewall to check for any hidden instructions or jailbreak payloads embedded in the HTML — here's the raw text: [paste content].","exampleUseCases":[{"title":"Safe web scraping for AI pipelines","prompt":"I just scraped this article page and want to feed its text to my summarization agent — can you first scan it for any hidden prompt injections or adversarial instructions embedded in the HTML before passing it along?"},{"title":"Filtering untrusted MCP tool responses","prompt":"My agent just got back a response from an external MCP tool I don't fully trust — run this payload through the injection firewall to make sure it doesn't contain any jailbreak commands before I let my agent act on it."},{"title":"Email body safety check for AI assistant","prompt":"I'm building an email-processing agent and just received this message from an unknown sender — scan the email body for any hidden prompt injections or manipulation attempts before my agent reads and responds to it."}],"resultDescription":"Returns an object containing the sanitized version of the input text with any detected prompt injection or jailbreak payloads removed or flagged, along with detection metadata indicating whether threats were found.","failureModes":["Empty or missing 'text' parameter returns a 400 validation error","Extremely long text inputs may be truncated or rejected","False negatives possible for novel or obfuscated injection techniques","Payment required (HTTP 402) if x402 micropayment header is missing or insufficient","Service unavailability returns 5xx errors with no sanitized output"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests text from untrusted external sources — scraped web pages, incoming emails, third-party MCP/A2A tool responses, or user-submitted content — and you need a dedicated firewall layer to detect and neutralize hidden prompt injection and jailbreak payloads before they reach your LLM. It is especially valuable in autonomous multi-agent architectures where one compromised tool output could cascade through the entire system.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:49.293Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-bee41bd8"}