{"uid":"cap_n70cF-mRCDo46juGFG8bc","slug":"agentshelf-css-rss-autodiscovery-1fa84e15","name":"AgentShelf CSS-RSS Autodiscovery","description":"Call when an agent needs RSS autodiscovery hrefs via link[type='application/rss+xml'] from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/css-rss first.","url":"https://agentshelf.syntexa.ch/v1/css-rss?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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1d5SSO0ehmob_068389Lz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts RSS feed hrefs from link[type='application/rss+xml'] elements in a public webpage or raw HTML string","exampleAgentPrompt":"Can you find the RSS feed URL for https://blog.example.com — extract the autodiscovery link from the page's HTML?","exampleUseCases":[{"title":"Blog RSS feed discovery","prompt":"What's the RSS feed link for https://www.theverge.com? Extract it from the page's autodiscovery tags so I can subscribe."},{"title":"Podcast site feed extraction","prompt":"I have the HTML of a podcast site — can you pull out any RSS feed hrefs from the link tags in this HTML: <html><head><link type='application/rss+xml' href='/feed.xml'/></head></html>"},{"title":"News aggregator feed harvesting","prompt":"I'm building a news aggregator — can you extract all the RSS autodiscovery links from https://techcrunch.com so I know what feeds to subscribe to?"}],"resultDescription":"An array or list of href values found in link[type='application/rss+xml'] elements on the page or in the provided HTML, representing all RSS feed URLs autodiscovered from that source.","failureModes":["No RSS link tags found — returns empty array","URL is unreachable or returns non-200 status — fetch error","HTML input exceeds 200,000 character limit — validation error","URL is blocked by SSRF safety rules — access denied","Malformed HTML with no parseable head section — empty result","URL shorter than 8 characters or longer than 2048 — validation error"],"whenToPreferThis":"Use this endpoint when you need to programmatically discover RSS feeds from a public webpage via the standard link[type='application/rss+xml'] autodiscovery mechanism, either by providing a URL to fetch or raw HTML to parse. It is SSRF-safe, making it suitable for agent pipelines that process user-supplied URLs. Prefer this over general-purpose scrapers when you specifically need RSS feed autodiscovery hrefs rather than full page content.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:17:18.800Z","isFirstParty":false,"canonicalSlug":"agentshelf-css-rss-autodiscovery-1fa84e15"}