{"uid":"cap_Jl_pmE8vBOKLOmvWCSRY7","slug":"agentshelf-dns-prefetch-link-extractor-e5f2fcad","name":"AgentShelf DNS-Prefetch Link Extractor","description":"Call when an agent needs link rel=dns-prefetch hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-dns-prefetch first.","url":"https://agentshelf.syntexa.ch/v1/profile-rel-dns-prefetch?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048,"minLength":8,"description":"Public page to fetch. The selector or profile is fixed by the SKU. Provide url or html."},"html":{"type":"string","examples":["<!doctype html><html lang=\"en\"><head><title>Hello</title>\n<meta name=\"description\" content=\"Desc\"><meta property=\"og:title\" content=\"OG\">\n<link rel=\"canonical\" href=\"https://example.com/\"><link rel=\"icon\" href=\"/favicon.ico\">\n</head><body><h1>Hello</h1><a href=\"https://example.com/a\">A</a></body></html>"],"maxLength":200000,"minLength":1,"description":"HTML to extract from locally. Provide html or url. When both are set, html is used."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OHhOcp1_bS0od2CTKjq4x","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts all rel=dns-prefetch link hrefs from a given public URL or raw HTML in an SSRF-safe manner","exampleAgentPrompt":"Can you extract all the rel=dns-prefetch link hrefs from https://example.com for me?","exampleUseCases":[{"title":"Audit site DNS prefetch hints","prompt":"Fetch https://shop.acme.com and list every domain that's referenced in a rel=dns-prefetch link tag on the page."},{"title":"Analyze third-party prefetch from raw HTML","prompt":"I have this HTML snippet from our landing page — can you pull out all the rel=dns-prefetch hrefs from it so I know which third-party domains we're hinting?"},{"title":"Compare prefetch domains across pages","prompt":"Check https://www.myblog.com/article-1 and tell me all the dns-prefetch hrefs it declares — I want to audit which external domains get prefetched."}],"resultDescription":"A list of href values found in <link rel=\"dns-prefetch\" href=\"...\"> tags within the provided URL's page source or the supplied raw HTML. Returns an array of domain/URL strings corresponding to each dns-prefetch hint discovered.","failureModes":["URL is not publicly accessible or returns a non-200 status — endpoint may return an error or empty result","HTML content exceeds 200,000 character limit — request rejected","URL string shorter than 8 characters or longer than 2,048 characters — validation error","Neither url nor html field provided — missing required input","Target page has no rel=dns-prefetch link tags — returns empty list","SSRF-blocked URL (private/internal IP ranges) — rejected for security reasons"],"whenToPreferThis":"Use this endpoint when you need to programmatically extract dns-prefetch link relations from a webpage or HTML blob in a reliable, SSRF-safe way without setting up your own HTML parser. Prefer this over generic HTML scrapers when you specifically need dns-prefetch hrefs isolated. A free sandbox alternative (POST /v1/sandbox/profile-rel-dns-prefetch) should be tried first to avoid the $0.006 USDC charge.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:14:56.255Z","isFirstParty":false,"canonicalSlug":"agentshelf-dns-prefetch-link-extractor-e5f2fcad"}