{"uid":"cap_SmCQYXV6n8L1RXYReOvrf","slug":"json-repair-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-03f5b075","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://json-repair.agentdiet.dev/v1/tool-poisoning-shield)","url":"https://json-repair.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_Ym516woR5LMPMNgqAflcK","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"json-repair.agentdiet.dev","brandSlug":"json-repair-agentdiet-dev-mpp","brandBaseUrl":"https://json-repair.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injection and jailbreak attempts, returning sanitized output.","exampleAgentPrompt":"Before you process this scraped webpage, run it through the prompt-injection firewall and check if there are any hidden jailbreak instructions or adversarial payloads embedded in the text: [paste webpage content here].","exampleUseCases":[{"title":"Shield agent from poisoned web results","prompt":"I'm building an agent that scrapes Google results and summarizes them — before passing each page's text to the LLM, scan it for hidden prompt injections or jailbreak instructions so my agent can't be hijacked."},{"title":"Validate MCP tool response safety","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 adversarial instructions trying to override my agent's behavior — can you run it through the prompt-injection firewall?"},{"title":"Screen inbound emails for injection attacks","prompt":"Before my AI assistant reads and acts on this inbound customer email, check whether it contains any hidden prompt injection payloads or jailbreak attempts trying to manipulate the agent."}],"resultDescription":"Returns a structured object indicating whether prompt injection or jailbreak content was detected in the input text, along with a sanitized version of the text safe for downstream LLM consumption.","failureModes":["Empty or missing 'text' parameter returns validation error","Extremely long payloads may be truncated or rejected","Obfuscated or novel injection techniques may evade detection","Non-textual binary content not supported","Rate limiting or payment failure (x402) if micropayment not provided"],"whenToPreferThis":"Use this endpoint when your AI agent is about to consume content from untrusted external sources — web pages, emails, tool outputs, MCP responses, or A2A payloads — and you need to detect and strip hidden adversarial instructions before they reach your LLM. Prefer this over generic content filters when you specifically need prompt-injection and jailbreak detection tailored to agentic pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:41.358Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-6acbd45e"}