{"uid":"cap_tKJzwfVbBn6cFLMAeUGcZ","slug":"mcp-security-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-8349a439","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://mcp-security.agentdiet.dev/v1/jailbreak-scan)","url":"https://mcp-security.agentdiet.dev/v1/jailbreak-scan?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_00JDkXLpcJcxrtMIaAeR5","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injection and jailbreak attacks, returning sanitized output.","exampleAgentPrompt":"Before you process this scraped webpage content, run it through the jailbreak firewall to check for hidden prompt injections and give me the sanitized version: [paste raw HTML or text here].","exampleUseCases":[{"title":"Securing agent web scraping pipeline","prompt":"I'm building an agent that scrapes competitor websites and summarizes them — before each page's content gets passed to the LLM, scan it for hidden prompt injection instructions so my agent can't be hijacked."},{"title":"Screening inbound emails for AI manipulation","prompt":"My AI assistant reads and processes my emails automatically. Can you scan this incoming email body for any jailbreak or prompt injection attempts before the assistant acts on it?"},{"title":"Validating MCP tool responses","prompt":"My agent just got a response back from an external MCP tool — can you run it through the prompt injection firewall to make sure it doesn't contain adversarial instructions trying to override my agent's behavior?"}],"resultDescription":"Returns a JSON object containing the scan result, including whether a prompt injection or jailbreak payload was detected and a sanitized version of the input text with malicious instructions stripped or flagged.","failureModes":["Empty or missing 'text' field returns a 400 validation error","Extremely long payloads may exceed input limits or time out","False negatives may occur for highly obfuscated or novel injection techniques","Non-text binary content may not be parsed correctly","Payment/402 failure if x402 USDC micropayment is not completed"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests content from untrusted external sources — scraped web pages, third-party API responses, MCP tool outputs, inbound emails, or user-submitted text — and you need a dedicated security layer to detect and strip indirect prompt injection or jailbreak payloads before they reach your LLM context. Prefer this over general content moderation APIs when the threat model is specifically adversarial prompt manipulation targeting AI agents rather than toxic or inappropriate content.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:00.820Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-b58431aa"}