{"uid":"cap_se3b7Qt0H-T4udObYbBKT","slug":"whale-momentum-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-cc645bfb","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://whale-momentum.agentdiet.dev/v1/tool-poisoning-shield)","url":"https://whale-momentum.agentdiet.dev/v1/tool-poisoning-shield?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_GEbQRiAasP_FQ3pEMkcDp","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.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, run it through the prompt-injection firewall first — check this HTML for any hidden jailbreak or indirect prompt injection payloads and give me the sanitized version.","exampleUseCases":[{"title":"Sanitizing scraped web content before agent use","prompt":"I just scraped this article to feed into my agent pipeline — can you scan it for any hidden prompt injections or adversarial instructions embedded in the HTML before we process it?"},{"title":"Screening incoming emails for injection attacks","prompt":"Before my agent reads and summarizes this inbound email, run it through the prompt-injection firewall to check whether it contains any hidden jailbreak payloads or embedded instructions trying to hijack the agent."},{"title":"Validating MCP tool responses in an agentic workflow","prompt":"My agent just got back a response from an external MCP tool — scan that response text for any indirect prompt injection attempts or poisoned instructions before I let the agent act on it."}],"resultDescription":"Returns a JSON object containing the scanned result, likely including a sanitized version of the input text, detection flags indicating whether prompt injection or jailbreak content was found, and potentially threat classification details.","failureModes":["Empty or missing 'text' parameter returns a validation error","Extremely large payloads may exceed size limits or timeout","False negatives: sophisticated obfuscated injections may not be detected","False positives: legitimate content resembling injection patterns may be flagged","Payment failure (HTTP 402) if x402 micropayment is not fulfilled","Service unavailability returns 5xx error"],"whenToPreferThis":"Choose this endpoint when your AI agent is consuming content from untrusted external sources — scraped web pages, external emails, third-party MCP/A2A tool responses — and you need a dedicated security layer to detect and neutralize hidden prompt injection or jailbreak payloads before they influence your agent's behavior. It is especially valuable in multi-agent pipelines where one agent's output feeds into another, creating indirect injection risk.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:40.906Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-87ce958b"}