{"uid":"cap_WwrDBQ06Bk-Iq9EvWNVCg","slug":"agentshelf-syntexa-css-atom-autodiscovery-f182fa99","name":"Agentshelf Syntexa CSS Atom Autodiscovery","description":"Call when an agent needs Atom autodiscovery hrefs via link[type='application/atom+xml'] from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/css-atom first.","url":"https://agentshelf.syntexa.ch/v1/css-atom?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 charset=\"utf-8\"><meta name=\"description\" content=\"Desc\">\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":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Xyt0dl2WlvhrBoYkGN8sW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts Atom feed autodiscovery hrefs from a public URL or raw HTML by querying link[type='application/atom+xml'] elements, with SSRF protection.","exampleAgentPrompt":"Can you find any Atom feed autodiscovery links on https://example.com/blog? I want the hrefs from the link[type='application/atom+xml'] tags on that page.","exampleUseCases":[{"title":"Discover blog atom feed URL","prompt":"I want to subscribe to the Atom feed for https://simonwillison.net — can you find the autodiscovery href for it so I can add it to my reader?"},{"title":"Validate feed links in raw HTML","prompt":"I have the raw HTML of a news homepage and I need to extract all Atom feed autodiscovery hrefs from it — here's the HTML, can you pull those link elements for me?"},{"title":"Aggregate feeds from multiple sites","prompt":"For the site https://feeds.arstechnica.com, can you check what Atom autodiscovery hrefs are declared in its page head so I can build a feed list?"}],"resultDescription":"Returns one or more Atom feed autodiscovery hrefs found in link[type='application/atom+xml'] elements on the given page or HTML, enabling the caller to subscribe to or process the syndication feed.","failureModes":["No Atom autodiscovery links found on the page (empty result)","SSRF-blocked URL — request to private/internal IP range rejected","URL fetch failure — target page unreachable or returns non-200","HTML too large — exceeds 200,000 character limit","Malformed URL input below minimum length or above 2048 characters","Payment failure — insufficient USDC balance for $0.005 charge"],"whenToPreferThis":"Use this endpoint when you need to programmatically discover Atom feed URLs from a public webpage or a block of HTML and want SSRF-safe fetching handled server-side. Prefer this over building your own CSS-selector HTML parser when you need a reliable, sandboxed extraction without standing up infrastructure. If a free sandbox alternative (POST /v1/sandbox/css-atom) is available and sufficient, prefer that first to avoid the $0.005 charge.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:12.510Z","isFirstParty":false,"canonicalSlug":"agentshelf-syntexa-css-atom-autodiscovery-f182fa99"}