{"uid":"cap_8SEAYNUITNeoJ_VniJgz1","slug":"whale-momentum-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-06d1192f","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/mcp-injection-firewall)","url":"https://whale-momentum.agentdiet.dev/v1/mcp-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_FKV28zfzM5m8fuup646_8","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 web page, run it through the prompt-injection firewall to check for hidden instructions or jailbreak payloads embedded in the HTML — here's the raw content: [paste text].","exampleUseCases":[{"title":"Safe web scraping for AI pipelines","prompt":"I just scraped this webpage to feed into my agent — can you scan the raw HTML for any hidden prompt injections or jailbreak instructions before we process it further?"},{"title":"Sanitizing MCP tool responses","prompt":"My agent just got back a response from an external MCP tool and I want to make sure it doesn't contain any embedded override instructions — can you run it through the injection firewall and give me the sanitized version?"},{"title":"Email body safety check","prompt":"Before my AI reads and summarizes this incoming email from an unknown sender, scan the body text for any hidden prompt-injection attempts or jailbreak payloads."}],"resultDescription":"Returns a JSON object containing the scan result for the submitted text, including whether prompt injection or jailbreak payloads were detected and a sanitized version of the input text safe for downstream LLM or agent processing.","failureModes":["Empty or missing 'text' parameter returns a validation error","Extremely large payloads may be rejected or truncated","Payment not fulfilled (HTTP 402) blocks the scan from completing","Network timeout if the firewall service is under load","False negatives possible for novel or obfuscated injection techniques"],"whenToPreferThis":"Choose this endpoint when your AI agent or pipeline processes content from untrusted external sources — scraped web pages, inbound emails, third-party MCP tool responses, or A2A agent payloads — and you need a real-time guard against indirect prompt injection and jailbreak attacks before feeding that content to an LLM. It is especially appropriate for agentic architectures where tool outputs are automatically processed without human review.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:42.142Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-87ce958b"}