{"uid":"cap_xwQgopM-2RVatNVcciktC","slug":"company-enrich-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-88d5a355","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://company-enrich.agentdiet.dev/v1/prompt-shield)","url":"https://company-enrich.agentdiet.dev/v1/prompt-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_YB6nLxEVHEzZLucXvNYhc","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"company-enrich.agentdiet.dev","brandSlug":"company-enrich-agentdiet-dev-mpp","brandBaseUrl":"https://company-enrich.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Scans untrusted text, HTML, emails, MCP responses, or A2A payloads for hidden prompt injections and jailbreak attempts, returning sanitized content.","exampleAgentPrompt":"Before you summarize that webpage, scan its raw HTML through the prompt-injection firewall first — I want to make sure there are no hidden instructions trying to hijack you embedded in the page content.","exampleUseCases":[{"title":"Shield agent from malicious email","prompt":"I'm about to let you process this email I received — can you first run it through the prompt-injection firewall to make sure it doesn't contain any hidden jailbreak instructions trying to manipulate you?"},{"title":"Safe MCP tool response handling","prompt":"That MCP tool just returned a response with some weird-looking text in it — scan it for hidden prompt injections before you act on anything it says."},{"title":"Sanitize scraped web content","prompt":"I need you to summarize this scraped article, but first run the raw text through the prompt-shield scanner to strip out any adversarial instructions someone might have embedded in it."}],"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 safe for downstream agent processing.","failureModes":["Empty or missing 'text' parameter returns a validation error","Extremely long inputs may be truncated or rejected","False negatives possible for novel or obfuscated injection techniques","Service unavailable if payment (x402) fails or quota is exceeded","Ambiguous or benign-looking injections may not be flagged with high confidence"],"whenToPreferThis":"Choose this endpoint when your agent is about to process content from untrusted external sources — scraped web pages, incoming emails, third-party API or MCP responses, or user-submitted text — and you need to detect and neutralize hidden prompt injections or jailbreak payloads before they reach your core LLM pipeline. Prefer it over generic content filters when the specific threat model is adversarial prompt manipulation targeting AI agents.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:47:12.285Z","isFirstParty":false,"canonicalSlug":"company-enrich-agentdiet-dev-a2a-indirect-prompt-injection-jailbreak-90291d00"}