{"uid":"cap_DF-2ExsyY2FA1XMDeXePt","slug":"mesh-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-firewall-6c54970a","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://mesh.agentdiet.dev/v1/llm-jailbreak-defense)","url":"https://mesh.agentdiet.dev/v1/llm-jailbreak-defense?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_VcRRJtcnFYtVZf8y8HQCy","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mesh.agentdiet.dev","brandSlug":"mesh-agentdiet-dev-mpp","brandBaseUrl":"https://mesh.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 content, can you run it through the jailbreak firewall to check for any hidden prompt injections or adversarial instructions embedded in the HTML?","exampleUseCases":[{"title":"Sanitizing scraped web content for agents","prompt":"I'm about to feed this webpage's text into my research agent — can you first scan it for any hidden prompt injections or jailbreak payloads so the agent doesn't get hijacked?"},{"title":"Guarding agent inbox from malicious emails","prompt":"This email was forwarded to my AI assistant — before it processes the content, please run it through the prompt-injection firewall to check if there are any embedded adversarial instructions trying to override the agent's behavior."},{"title":"Validating MCP tool responses before use","prompt":"My agent just got a response back from an external MCP server — can you scan that payload for any indirect prompt injection attacks before I let the agent act on it?"}],"resultDescription":"Returns a sanitized version of the input text with detected prompt injection or jailbreak payloads neutralized, along with threat detection metadata indicating whether malicious content was found.","failureModes":["Empty or whitespace-only text input returns validation error","Extremely long payloads may be truncated or rejected","Obfuscated or novel injection techniques may evade detection","Network timeout for very large HTML documents","Payment failure (402) if x402 micropayment is not included or fails"],"whenToPreferThis":"Choose this endpoint when your AI agent pipeline ingests untrusted external content — scraped web pages, emails, MCP/A2A tool responses, or user-submitted text — and you need to screen for indirect prompt injection or jailbreak attempts before passing that content to an LLM. Prefer this over generic content filters when you specifically need AI-agent-aware threat detection rather than general spam or malware scanning.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:38.224Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-firewall-3a18e5ba"}