{"uid":"cap_oDW3Yh0nd9vj3Ir0l3t_P","slug":"canaryguard-url-agent-readiness-auditor-ff4e3a38","name":"CanaryGuard URL Agent Readiness Auditor","description":"Audits any domain or URL for AI agent readiness (llms.txt, .well-known/x402, openapi.json, MCP server card) and detects hidden CSS/DOM prompt-injection traps.","url":"https://canaryguard-402.onrender.com/v1/url-agent-readiness?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_S2fH7F0EB9xHNa-ajEFCg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits a domain or URL for AI agent readiness signals (llms.txt, .well-known/x402, openapi.json, MCP server card) and detects hidden CSS/DOM prompt-injection traps.","exampleAgentPrompt":"Can you audit https://example.com to check if it's ready for AI agents — does it have an llms.txt, openapi.json, MCP server card, or x402 support, and are there any hidden CSS or DOM prompt-injection traps on the page?","exampleUseCases":[{"title":"Pre-browse safety check for agent","prompt":"Before my agent visits https://shoppingsite.com to look for deals, can you check if the site has any hidden prompt-injection traps in its CSS or DOM that might hijack my agent's behavior?"},{"title":"Vendor agentic readiness assessment","prompt":"I'm evaluating vendors for our agentic pipeline — can you audit https://vendor-api.io to see if they have llms.txt, an openapi.json, an MCP server card, and x402 payment support set up?"},{"title":"Self-audit before agent marketplace listing","prompt":"We're about to list our service on an agent marketplace — can you audit https://myservice.dev to confirm we have all the right agent-readiness files in place and no accidental prompt-injection vulnerabilities?"}],"resultDescription":"Returns a structured report indicating whether the target URL/domain exposes key AI agent discoverability files (llms.txt, .well-known/x402, openapi.json, MCP server card), along with detection results for hidden CSS or DOM prompt-injection traps that could compromise an AI agent visiting the page.","failureModes":["URL is unreachable or times out — endpoint may return an error or partial results","Domain blocks headless/automated requests — some checks may fail silently","False negatives on prompt injection if obfuscation techniques are novel","Malformed URL input causes validation error","Target site uses bot-detection that prevents deep DOM inspection"],"whenToPreferThis":"Choose this endpoint when you need to assess whether a website is safe and properly configured for AI agent interaction — specifically when you want to check for standard agentic discoverability signals (llms.txt, openapi.json, MCP, x402) AND simultaneously scan for hidden prompt-injection traps. It is more comprehensive than a simple file-existence check because it combines readiness auditing with adversarial trap detection in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:37:14.049Z","isFirstParty":false,"canonicalSlug":"canaryguard-url-agent-readiness-auditor-ff4e3a38"}