{"uid":"cap_6B3goftkM8LufLYPbqI7d","slug":"crawlspur-robots-txt-self-referencing-canonical-check-750e4426","name":"CrawlSpur Robots.txt Self-Referencing Canonical Check","description":"Prüft am Objekt robots-datei den Befund selbstreferenzierende kanonische Adresse.","url":"https://crawlspur.halowerk.com/v1/pruef/crawlspur/canonical-selbst/robots-datei","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"ziel":{"oneOf":[{"type":"string","maxLength":2048,"minLength":1,"description":"Öffentliche HTTP(S)-Adresse; bei DNS-Befunden Domain oder öffentliche IP."},{"type":"object","required":["adresse"],"properties":{"adresse":{"type":"string","maxLength":2048,"minLength":1},"selektor":{"type":"string","maxLength":240,"minLength":1,"description":"CSS-Selektor: genau ein Objekt, sonst erster Treffer des Objektfilters."},"vergleich":{"type":"string","maxLength":2048,"description":"Öffentliche Vergleichsadresse für Link-, Sitemap- oder Sprachbefunde."},"user_agent":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,80}$"},"dkim_selektor":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,63}$"}},"additionalProperties":false}]}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dV3Si15L0qHcp_aXs25hu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a robots.txt file contains a self-referencing canonical URL declaration, returning an SEO audit finding for the target URL.","exampleAgentPrompt":"Check my robots.txt at https://example.com/robots.txt and tell me whether it contains a correct self-referencing canonical URL declaration.","exampleUseCases":[{"title":"Pre-launch SEO robots.txt audit","prompt":"Before we go live, check whether the robots.txt at https://myshop.com/robots.txt has a self-referencing canonical set up correctly — I want to catch any canonical issues before Google starts crawling."},{"title":"Diagnosing canonical confusion for a client site","prompt":"My client's site at https://agencyclient.de is having canonical indexing problems — can you check their robots.txt for any self-referencing canonical URL issues that might be causing confusion?"},{"title":"Automated SEO monitoring for a content platform","prompt":"Run a robots.txt self-referencing canonical check on https://blog.contentplatform.io and tell me if there's any finding I need to fix for proper SEO indexing."}],"resultDescription":"Returns an SEO audit finding indicating whether the robots.txt file at the target URL contains a self-referencing canonical URL, including the detected value or absence of such a declaration, and any relevant diagnostic details.","failureModes":["Target URL is unreachable or returns non-200 HTTP status — check returns an error finding","robots.txt file does not exist at the target domain — endpoint may return a not-found finding","Malformed or non-public URL provided — input validation error","Target URL exceeds maximum length of 2048 characters — rejected with schema validation error","CSS selector matches zero elements — first matching element used or error returned"],"whenToPreferThis":"Use this endpoint when you specifically need to audit a robots.txt file for self-referencing canonical URL declarations as part of a technical SEO workflow. It is purpose-built for this single SEO check, making it more precise than a generic crawler or full-site SEO audit tool. Prefer it for automated, per-URL SEO monitoring pipelines or pre-launch technical SEO checklists where canonical correctness in robots.txt is a required signal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:44:45.323Z","isFirstParty":false}