{"kind":"crawlcheck-resolve","v":1,"schema":"https://crawlcheck.io/schemas/resolve.json","domain":"stainless.com","answered_at":"2026-10-19T02:26:14.429Z","reading":"Each section is declared (what the site says about itself), observed (what CrawlCheck was served) or not_measured, with when it was observed. There is no overall score: decide on the section your action depends on.","status":"measured","subject":{"domain":"stainless.com","host":"www.stainless.com","path":"/","report_id":"ikfmiy0qfl","scanned_at":"2026-10-18T02:07:08.857Z","score_version":32},"freshness":{"observed_at":"2026-10-18T02:07:08.857Z","age_hours":24.3,"latest_report_id":"ikfmiy0qfl","is_latest":true,"newer_scan_exists":false,"last_second_reading_at":null,"note":"observed_at is when CrawlCheck fetched the site; nothing here says the site is unchanged since","last_verified_at":"2026-10-18T02:07:08.857Z","fresh_until":"2026-10-25T02:07:08.857Z","stale":false,"fresh_policy":"an answer is fresh for 168 hours after observed_at; each action below has its own maximum age. last_verified_at is the latest reading of this domain by any enrolled observer."},"observers":{"primary":{"version_tag":"ccd38c7935536d35","vantage":{"kind":"cloudflare-worker","colo":null}},"independent_readings":0,"by_field":"https://crawlcheck.io/api/corroboration?domain=stainless.com","directory":"https://crawlcheck.io/.well-known/crawlcheck-observers.json","samples_by_network":{"networks":0,"samples":0,"groups":[],"window":"the latest 12 independent readings kept for this domain; the primary scan (Cloudflare) is not counted here"}},"crawl_policy":{"state":"declared","observed_at":"2026-10-18T02:07:08.857Z","source":"https://www.stainless.com/robots.txt","http_status":200,"path_tested":"/","agents":[{"agent":"Googlebot-Image","label":"Google image crawler","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Googlebot-News","label":"Google News","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Googlebot-Video","label":"Google video crawler","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Storebot-Google","label":"Google Shopping","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Mediapartners-Google","label":"Google AdSense","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"APIs-Google","label":"Google push delivery","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"BingPreview","label":"Bing page preview","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"msnbot","label":"Microsoft legacy crawler","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Slurp","label":"Yahoo Slurp","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Yandex","label":"Yandex (umbrella token)","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"coccocbot-web","label":"Coc Coc","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Facebot","label":"Meta link crawler","role":"social","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Magpie-crawler","label":"Magpie AI","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"img2dataset","label":"img2dataset image corpus","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AwarioRssBot","label":"Awario RSS","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AwarioSmartBot","label":"Awario smart","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"TurnitinBot","label":"Turnitin","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"archive.org_bot","label":"Internet Archive","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"ia_archiver","label":"Internet Archive (legacy)","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AhrefsBot","label":"Ahrefs link index","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"SemrushBot","label":"Semrush crawler","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"MJ12bot","label":"Majestic link index","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"DotBot","label":"Moz link index","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"rogerbot","label":"Moz site crawler","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"DataForSeoBot","label":"DataForSEO","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"BLEXBot","label":"WebMeUp link index","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Yeti","label":"Naver","role":"regional","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"YoudaoBot","label":"Youdao","role":"regional","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Exabot","label":"Exalead","role":"regional","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Sogou web spider","label":"Sogou","role":"regional","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"YisouSpider","label":"Yisou","role":"regional","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"360Spider","label":"360 Search","role":"regional","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Sosospider","label":"Soso","role":"regional","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"meta-webindexer","label":"Meta web index","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"omgili","label":"Webz.io omgili","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"cohere-training-data-crawler","label":"Cohere training corpus","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"PanguBot","label":"Huawei PanGu","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Ai2Bot-Dolma","label":"Allen Institute Dolma","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"FriendlyCrawler","label":"FriendlyCrawler ML","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"VelenPublicWebCrawler","label":"Velen","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"MyCentralAIScraperBot","label":"MyCentral AI","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"DeepSeekBot","label":"DeepSeek","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"ICC-Crawler","label":"NICT ICC","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"GoogleOther","label":"Google non-search fetch","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Google-CloudVertexBot","label":"Vertex AI agent build","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"CloudflareBrowserRenderingCrawler","label":"Cloudflare Browser Run /crawl","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Cloudflare-AutoRAG","label":"Cloudflare AutoRAG","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Peer39_Crawler","label":"Peer39 ad context","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AdsBot-Google","label":"Google Ads quality","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AmazonAdBot","label":"Amazon Ads","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AdIdxBot","label":"Microsoft Ads","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Twitterbot","label":"X link preview","role":"social","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"LinkedInBot","label":"LinkedIn link preview","role":"social","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"facebookexternalhit","label":"Facebook link preview","role":"social","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Pinterestbot","label":"Pinterest","role":"social","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Slackbot-LinkExpanding","label":"Slack unfurl","role":"social","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"OAI-SearchBot","label":"ChatGPT search index","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"ChatGPT-User","label":"ChatGPT live fetch","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Claude-SearchBot","label":"Claude search index","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Claude-User","label":"Claude live fetch","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"PerplexityBot","label":"Perplexity index","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Perplexity-User","label":"Perplexity live fetch","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Gemini-Deep-Research","label":"Gemini research agent","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"MistralAI-User","label":"Le Chat live fetch","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"DuckAssistBot","label":"DuckDuckGo AI assist","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"YouBot","label":"You.com","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"PhindBot","label":"Phind","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Kagibot","label":"Kagi","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Copilot-User","label":"Microsoft Copilot fetch","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Meta-ExternalFetcher","label":"Meta AI live fetch","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Googlebot","label":"Google Search and AI Overviews","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"bingbot","label":"Bing and Copilot index","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Applebot","label":"Apple and Siri","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Amazonbot","label":"Amazon","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"DuckDuckBot","label":"DuckDuckGo","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"YandexBot","label":"Yandex","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Baiduspider","label":"Baidu","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Seznambot","label":"Seznam","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Neevabot","label":"Neeva","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"PetalBot","label":"Huawei Petal","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"GPTBot","label":"OpenAI training and index","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"ClaudeBot","label":"Anthropic training","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"anthropic-ai","label":"Anthropic legacy agent","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Claude-Web","label":"Anthropic legacy agent","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Google-Extended","label":"Gemini training","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Applebot-Extended","label":"Apple training","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"CCBot","label":"Common Crawl","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Bytespider","label":"ByteDance","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"meta-externalagent","label":"Meta AI training","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"FacebookBot","label":"Meta legacy","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"cohere-ai","label":"Cohere","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Diffbot","label":"Diffbot knowledge graph","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Omgilibot","label":"Webz.io","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"ImagesiftBot","label":"Imagesift","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Timpibot","label":"Timpi","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AI2Bot","label":"Allen Institute","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Scrapy","label":"Generic scraper framework","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"SemrushBot-OCOB","label":"Semrush AI corpus","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Applebot-Extended-Ads","label":"Apple ads corpus","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"TikTokSpider","label":"TikTok","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"QuillBot","label":"QuillBot","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Webzio-Extended","label":"Webz.io extended","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"ProRataInc","label":"ProRata","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"AwarioBot","label":"Awario","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Amzn-SearchBot","label":"Amazon search eligibility, separate from Amazonbot","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Amzn-User","label":"Amazon live fetch for Alexa questions","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"MistralAI-Index","label":"Mistral search index for Vibe","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"MistralAI-Training","label":"Mistral training crawl","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"OAI-AdsBot","label":"OpenAI ChatGPT ads page validation","role":"tool","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Google-Agent","label":"Google user-triggered agent, acts on the web","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"Google-GeminiNotebook","label":"Gemini Notebook user-supplied URL fetch","role":"answer","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"GoogleOther-Image","label":"Google common crawler, public image URLs","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"GoogleOther-Video","label":"Google common crawler, public video URLs","role":"train","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false},{"agent":"ExaSearchBot","label":"Exa AI search index, Web Bot Auth signed","role":"search","allowed_homepage":true,"allowed_path":true,"has_own_group":false,"wildcard_rules_shadowed":false}],"signal_conflicts":[],"note":"robots.txt governs access and Content-Signal governs use; both are what the site declares, not what it serves"},"delivery":{"state":"observed","observed_at":"2026-10-18T02:07:08.857Z","url":"https://www.stainless.com/","identity_basis":"every identity was sent by CrawlCheck from its own network; none is the named operator's own crawler","identities":[{"identity":"anon","label":"Unnamed client","role":"control","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"gptbot","label":"GPTBot","role":"train","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"claudebot","label":"ClaudeBot","role":"train","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"oaisearch","label":"OAI-SearchBot","role":"answer","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"claudesearch","label":"Claude-SearchBot","role":"answer","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"perplexity","label":"PerplexityBot","role":"answer","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"googlebot","label":"Googlebot","role":"search","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"browser","label":"Mobile browser","role":"browser","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"bingbot","label":"Bingbot","role":"search","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"applebot","label":"Applebot","role":"search","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"amazonbot","label":"Amazonbot","role":"train","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"bytespider","label":"Bytespider","role":"train","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"metaexternal","label":"Meta-ExternalAgent","role":"train","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null},{"identity":"ccbot","label":"CCBot","role":"train","status":200,"words":165,"blocker":null,"redirected_to":null,"x_robots_tag":null}]},"machine_files":{"state":"observed","observed_at":"2026-10-18T02:07:08.857Z","files":[{"path":"/robots.txt","status":200,"content_type":"text/plain;charset=utf-8","bytes":130,"verdict":"ok"},{"path":"/sitemap.xml","status":200,"content_type":"application/xml","bytes":23234,"verdict":"ok"},{"path":"/sitemap_index.xml","status":200,"content_type":"text/html; charset=utf-8","bytes":699298,"verdict":"absent"},{"path":"/wp-sitemap.xml","status":200,"content_type":"text/html; charset=utf-8","bytes":699298,"verdict":"absent"},{"path":"/llms.txt","status":200,"content_type":"text/html; charset=utf-8","bytes":699298,"verdict":"absent"}],"read_before_page":[{"path":"/sitemap.xml","bytes":23234,"kind":"machine"},{"path":"/robots.txt","bytes":130,"kind":"machine"}],"hashes":"every fetched body's SHA-256 is in the sealed manifest: https://crawlcheck.io/api/artifact/0afae4305b97b94a0d4d815e7aa2267d0a256c7498ce9b4550a350c5b47a794d?body=1"},"capabilities":{"state":"observed","observed_at":"2026-10-18T02:07:08.857Z","checked":[{"kind":"a2a_agent_card","url":"https://www.stainless.com/.well-known/agent-card.json","status":200}],"declared":0,"by_safety_class":{},"verified":0,"mismatches":0,"invocation_rule":"capabilities are read from declarations only; nothing is invoked. Later verification may call read_only_public operations alone; every other class needs the site owner's authorisation and a test account, and unknown is never called","certificate":{"id":"ccap1:8b025fa9bbc40261d5e3f0770bf1c280ffe5e31bee2ec0c01a63ec6a88be0a08","signed":true,"entry":"https://crawlcheck.io/api/registry/capabilities?domain=stainless.com","verify":"https://crawlcheck.io/api/registry/capabilities/verify?domain=stainless.com"},"items":"https://crawlcheck.io/api/capabilities?domain=stainless.com"},"entity":{"state":"observed","observed_at":"2026-10-18T02:07:08.857Z","name":null,"wikidata_item_found":false,"links":[],"states":"corroborated = the linked page links back; unreciprocated = readable and does not; unverifiable = could not be read from here"},"mcp_registry":{"state":"observed","listed":0,"import_finished_at":"2026-10-14T20:03:09.131Z","import_run":1,"import_servers":43267,"why":"the official MCP Registry lists no remote MCP endpoint on this domain (import finished 2026-10-14)","url":"https://crawlcheck.io/api/mcp/servers?host=stainless.com"},"content_clock":{"homepage":{"url":"https://www.stainless.com/","observed":true,"content_sha256":"811cd09311a2bff591601fbb1a73101dbbded4989c1e29d2f82df816eaeaad96","first_observed":"2026-10-10T08:00:57.050Z","last_read":"2026-10-15T23:27:56.710Z","changes_observed":0,"main_content_last_changed":null,"unchanged_since_first_observed":"2026-10-10T08:00:57.050Z","declared":{},"date_moved_words_did_not":null,"api":"https://crawlcheck.io/api/v1/content-clock?url=https%3A%2F%2Fstainless.com%2F"},"reading":"When the main content (not the bytes) of these URLs last changed, from CrawlCheck's own reads. Full history and the page's declared dates: the api link."},"self_claims":{"observed":true,"first_read":"2026-10-10T14:18:38.060Z","last_read":"2026-10-15T23:27:51.024Z","reads":5,"claims":[],"api":"https://crawlcheck.io/api/v1/claims?domain=stainless.com","reading":"what the site says about itself on its own pages, with when CrawlCheck first and last saw each value; not a statement that the claim is true"},"read_equivalence":{"url":"https://stainless.com/","observed":true,"verdict":"equivalent","checked_at":"2026-10-15T23:27:57.691Z","first_observed":"2026-10-10T18:27:26.974Z","ai_identities_served":"3 of 3","identities":[{"identity":"gptbot","verdict":"equivalent","text_ratio":1,"instruction_like_text":false},{"identity":"claudebot","verdict":"equivalent","text_ratio":1,"instruction_like_text":false},{"identity":"perplexity","verdict":"equivalent","text_ratio":1,"instruction_like_text":false}],"api":"https://crawlcheck.io/api/v1/read-equivalence?url=https%3A%2F%2Fstainless.com%2F","reading":"whether the main text served to AI identities is the same text a person sees in a browser, from one simultaneous read of the homepage; evidence and the differing sentences at the api link"},"rights":{"observed":true,"path":"/","read_at":"2026-10-17T19:43:09.135Z","api":"https://crawlcheck.io/api/v1/rights?domain=stainless.com","reading":"one value per use for the homepage, with the signal that decided it; signals considered, conflicts and per-path answers at the api link","train":{"value":"not_declared","decided_by":{"signal":"robots.txt","url":"https://stainless.com/robots.txt","evidence":"access is open to GPTBot, ClaudeBot, Google-Extended, CCBot, Applebot-Extended, meta-externalagent on / and no signal states whether train is allowed"},"conflicts":0},"ground":{"value":"not_declared","decided_by":{"signal":"robots.txt","url":"https://stainless.com/robots.txt","evidence":"access is open to OAI-SearchBot, ChatGPT-User, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User on / and no signal states whether ground is allowed"},"conflicts":0},"summarize":{"value":"not_declared","decided_by":{"signal":"robots.txt","url":"https://stainless.com/robots.txt","evidence":"access is open to OAI-SearchBot, ChatGPT-User, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User on / and no signal states whether summarize is allowed"},"conflicts":0},"cite":{"value":"not_declared","decided_by":{"signal":"robots.txt","url":"https://stainless.com/robots.txt","evidence":"access is open to OAI-SearchBot, Claude-SearchBot, PerplexityBot, Googlebot, Bingbot on / and no signal states whether cite is allowed"},"conflicts":0},"transact":{"value":"not_declared","decided_by":{"signal":"robots.txt","url":"https://stainless.com/robots.txt","evidence":"access is open to ChatGPT-User, Claude-User, Perplexity-User on / and no signal states whether transact is allowed"},"conflicts":0}},"findings":{"access":"public","rule":"the top finding in full; the rest by title, severity and path (a licence for this domain opens them)","items":[{"fid":"f1:c78dfebbbd068375a219","decision_id":"d1:a138acb1224441dcfedc","code":"PAGE_IS_MOSTLY_CODE","severity":3,"path":"/","title":"Almost nothing a machine receives from this page is readable text","rule_revision":1,"span_id":"1d0b644998b763a2","state":"persisted","valid_time":{"valid_from":{"after":null,"by":"2026-09-18T03:16:05.179Z"},"valid_to":null,"recorded_at":"2026-09-18T03:16:05.179Z","superseded_at":null,"superseded_by":null,"earlier_intervals":0,"before_bt1":true},"observations_linked":1,"trust":{"freshness":{"observed_at":"2026-10-18T02:07:08.857Z","last_observed":"2026-10-18T02:07:08.857Z","held_since":"2026-09-18T03:16:05.179Z","state":"persisted"},"confidence":{"level":"reproduced","means":"seen again: repeated on CrawlCheck's own network, or in more than one scan","basis":["seen in 7 scans since 2026-09-18","the decision names the 1 fetch it read"],"sample":{"cross_network":"not_applicable","why":"this finding does not depend on the requesting identity or network, so other networks' readings neither confirm nor contradict it","readings":1,"diversity":{"readings":1,"observers":1,"distinct_networks":1,"networks":{"cloudflare":1},"distinct_countries":0,"countries":{}},"scans":{"seen":7,"could_have_seen":null,"interval":null,"why":"scans that could have seen this finding are counted from 2026-10-08; this finding was first seen before that, so only the scans that saw it are known"},"interval":null,"interval_of":null,"note":"interval: the 95% Wilson score interval for the share, from k of n; it is wide when n is small, and that width is the point. networks: autonomous systems the readings arrived from (two observers on one network are one network). countries: where the connection was measured; CrawlCheck's own reading leaves from a Cloudflare data centre and carries no country here."}},"contradictions":[]},"score_effect":{"decision_id":"d1:a138acb1224441dcfedc","code":"PAGE_IS_MOSTLY_CODE","path":"/","severity":3,"level":"medium","points":0,"cap":"C","binding":false,"letter_now":"C","letter_without_it":"C","same_level_others":0,"says":"Would cap the letter at C, but the score (69) already reads C, so the letter is the same without it. Moves no points."},"root_cause":null,"corroboration":{"status":"not_applicable","reading":"this finding does not depend on the requesting identity or network"},"explain":{"mcp_tool":"explain_finding","arguments":{"id":"d1:a138acb1224441dcfedc"},"url":"https://crawlcheck.io/api/explain?id=d1:a138acb1224441dcfedc"},"disputes":[]},{"title":"The sitemap does not say when anything changed","severity":2,"path":"/sitemap.xml","locked":true},{"title":"No llms.txt","severity":1,"path":"/llms.txt","locked":true},{"title":"HTTPS is served without a Strict-Transport-Security header","severity":1,"path":"/","locked":true}],"summary":{"total":4,"serious":1,"by_severity":{"Medium":1,"Low":1,"Note":2}},"withheld":"Every finding is listed by title, severity and path. The top one carries its code, detail and evidence; the other 3 are locked (locked: true) and need a licence or the fix service: https://crawlcheck.io/pricing"},"confidence":{"identities_answered":{"n":14,"of":14,"ratio":1},"vantages":1,"vantage_state":{"state":"single_vantage","means":"only one network read this site near the scan; nothing here is cross-checked","networks":1,"readings":1,"countries":0,"findings_contested":0,"findings_cross_confirmed":0,"states":{"single_vantage":"only one network read this site near the scan; nothing here is cross-checked","insufficient_samples":"more than one network read it, but fewer than 3 readings: too few to state agreement","cross_confirmed":"two or more networks read it, 3 or more readings, and no finding is contested between them","network_divergence":"networks disagree on at least one finding","regional_divergence":"networks in more than one country disagree on at least one finding: what is served depends on where the request comes from"}},"note":"counts and ratios only - there is no composite confidence number, because the parts do not combine into one honestly","sample":{"readings":1,"observers":1,"distinct_networks":1,"networks":{"cloudflare":1},"distinct_countries":0,"countries":{},"window_hours":6,"all_time":{"independent_readings":0,"networks":[]},"reading":"readings of this domain within 6 hours of the scan: CrawlCheck's own plus every independent observer's, with the networks and countries they arrived from","note":"interval: the 95% Wilson score interval for the share, from k of n; it is wide when n is small, and that width is the point. networks: autonomous systems the readings arrived from (two observers on one network are one network). countries: where the connection was measured; CrawlCheck's own reading leaves from a Cloudflare data centre and carries no country here."}},"contradictions":{"site":[],"between_networks_open":[],"locked_findings_not_shown":3},"evidence":{"report":"https://crawlcheck.io/r/ikfmiy0qfl","machine_record":"https://crawlcheck.io/api/v1/machine-record?id=ikfmiy0qfl","manifest_sha256":"0afae4305b97b94a0d4d815e7aa2267d0a256c7498ce9b4550a350c5b47a794d","verify":"https://crawlcheck.io/api/verify?id=ikfmiy0qfl","bundle":"https://crawlcheck.io/api/bundle?id=ikfmiy0qfl","offline_verifier":"https://crawlcheck.io/crawlcheck-verify.mjs?v=b22547e95463d03e","verify_this_answer":"save it as answer.json, then: node crawlcheck-verify.mjs answer.json"},"impersonation":{"state":"no_lookalike","verdict":"no_lookalike","brand_frame":"Tranco top 10,000 (Y83YG)"},"actions":{"v":1,"decisions":"allow | warn | require_confirmation | block | unsupported","rule":"decided from this answer's own sections at signing time; an agent's own policy may be stricter, never looser","read":{"decision":"allow","minimum_assurance":"reachable","assurance_found":["declared","reachable"],"needs":"robots.txt lets AI agents read the path, and the page was served to at least one AI-crawler identity","why":"9 of 9 AI-crawler identities were served the page","doubts":[],"max_age_hours":168},"cite":{"decision":"warn","minimum_assurance":"reachable + entity observed","assurance_found":["declared","reachable","read_equivalent"],"needs":"everything read needs, plus an observed entity and no contradiction the site makes with itself","scope":{"covers":["access: robots.txt and what was actually served to AI-crawler identities","permissions: the rights and content signals the site declares","identity: the entity the site declares and who has proven control of the domain","provenance: when, from where and by whom it was observed, signed and logged"],"does_not_cover":"whether the content is true, accurate, current or complete; a cite decision says the source may be cited and attributed, not that what it says is right"},"why":"9 of 9 AI-crawler identities were served the page; the publisher's identity was not observed, so attribution is unconfirmed","doubts":["entity_unobserved"],"max_age_hours":168},"connect":{"decision":"unsupported","minimum_assurance":"conformant","assurance_found":[],"needs":"a declared capability that CrawlCheck invoked read-only and found to behave as declared","why":"the site declares no capability to connect to","doubts":[],"max_age_hours":72},"transact":{"decision":"require_confirmation","minimum_assurance":"action_ready","assurance_found":[],"needs":"owner-verified identity and an action-ready capability; CrawlCheck does not certify transactions, so a human confirms","why":"CrawlCheck does not certify transactions; a human confirms every financial, identity or irreversible action","doubts":[],"max_age_hours":24},"administer":{"decision":"block","minimum_assurance":"never automatic","assurance_found":[],"needs":"high-privilege operations are never authorised by a public record","why":"never authorised by a public record","doubts":[],"max_age_hours":0}},"absences":[{"what":"mcp_registry_listing","result":"absent","at":"2026-10-14T20:03:09.131Z","from":{"observer":"crawlcheck-worker","network":"cloudflare","source":"registry.modelcontextprotocol.io"},"checked":[{"method":"registry import","url":"https://registry.modelcontextprotocol.io/v0/servers","run":1,"servers_read":43267,"finished_at":"2026-10-14T20:03:09.131Z"}],"scope":"The official MCP Registry, read in full (import finished 2026-10-14T20:03:09.131Z), lists no remote MCP endpoint whose host is stainless.com or a subdomain. Servers not listed in that registry are not covered."}],"control":{"state":"unproven","proofs":[],"organization":null,"claim":"https://crawlcheck.io/registry/stainless.com/claim","why":"nobody has proven control of stainless.com to CrawlCheck, so who stands behind the site is unconfirmed","note":"control says who answers for the domain, not whether it is safe; it does not change any decision in this answer"},"transparency":{"state":"included","log_id":"crawlcheck-resolve-log-v1","leaf_hash":"7162d46f5d6ced444241ca3666ac3640fbb2a7e8aabae16ab3e0bbb3aeefc06f","batch":699,"index":113,"batch_size":243,"path":["71617d882e8c1d8ee0c730db664349867f6e60c93c90e4d1f8e9a0007fc36c8b","904c7fb82c6dec67a1fbaee5fefe7e39cc686c5403d96153b9bfd8d2d3136201","1c165105d320867329efd35ff62cca90e3fd58d74481396bf86bdd7369150050","aa117b55601a99f5de5c771a1fc8a62e8ab8d3b6dad94a412567cbe090700c41","d8d6284b4c41abfc8a3cd871c92da05bc25c34fd148bb06ddda7bcf25fe2640d","aef0bffda3187c4b89429b4ffc62387034c0a58a2bb29b52802ae151fead4139","b206af7da6f65a45bab7e372471bba38a8c080b933727fc0dd9f707b62c5531d","075aa2e0fc5b6f0b1ae2c1a93e5d935e7a83405e1db764e2742cbd6eb70ad4eb"],"sth":{"kind":"crawlcheck-log-sth","v":1,"log_id":"crawlcheck-resolve-log-v1","batch":699,"first_index":146090,"batch_size":243,"tree_size":146333,"batch_root":"29f7b9593afbabe7dae57c42810d60795a29557b399b1394f3a79d47969a61c1","prev_sth_sha256":"f00876bbe364bc56de27c9131e1a2503f7e0f5c3ecd1a79f1bf5a9cf52b40a7d","created_at":"2026-10-18T02:32:40.399Z","rules":{"leaf":"SHA-256(0x00 || canonical JSON of the answer's decision content)","tree":"RFC 9162 Merkle tree hash over this batch's leaf hashes, sorted","chain":"prev_sth_sha256 is the sha256 of the previous batch's signed tree head; batch numbers are consecutive and tree_size grows by batch_size"},"code":{"version_id":"ba95744a-472d-4a6f-914a-99b1e019ea6b","script_sha16":"ccd38c7935536d35","state":"attested","deployed":{"at":"2026-10-17T22:22:55.560Z","commit":"fb1b0fd52351","run":"39074776537"},"build_log_entry":529,"score_version":32,"scoring_policy_sha256":"d3c9c95d409dae4e90b8e868ff113e631e445e33c14a0cc008dda144293821b3","decision_rules_sha256":"18dd5636e0896692ab518050cb401744edea2e6f1086dff94fead314959bdc3e","check":"https://crawlcheck.io/api/v1/builds/ba95744a-472d-4a6f-914a-99b1e019ea6b"},"sha256":"b6af805adceab55f219171c2cbae2f56d4a06537371d5714d39c8b549d1c9c6f","signature":{"v":1,"alg":"Ed25519","kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","over":"sha256","message":"crawlcheck-data-v1\nb6af805adceab55f219171c2cbae2f56d4a06537371d5714d39c8b549d1c9c6f","sig":"GrCiQgKqBwV8F0sw3dsgyjNjyUIWxhiYyieaRFvA0eIhspa8oHxqzF61mjcahoZ8njzZ0ha2yz01gSH8VKMkDg","signed_at":"2026-10-18T02:32:40.975Z","key":{"kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","jwk":{"kty":"OKP","crv":"Ed25519","x":"5TmKCOx0TTHepq7HwyXBHvGQpVCSBd2lV8cLzYVqFxQ"},"published_in":"https://crawlcheck.io/.well-known/http-message-signatures-directory"},"canonical":"sha256 over canonical JSON of every field except sha256 and signature"}},"witnesses":"https://crawlcheck.io/api/v1/log/sth/699","content_rule":"leaf = SHA-256(0x00 || canonical JSON of the answer's decision content); see https://crawlcheck.io/api/v1/log"},"assurance_ladder":{"v":1,"level":"declared","order":["declared","discovered","reachable","conformant","owner_verified","authorized","reliable","action_ready"],"rungs":[{"rung":"declared","state":"reached","why":"robots.txt policy declared"},{"rung":"discovered","state":"not_reached","why":"nothing an agent could call was found (no OpenAPI, MCP card, A2A card or registry listing)"},{"rung":"reachable","state":"reached","why":"AI-crawler identities were served the page"},{"rung":"conformant","state":"not_reached","why":"nothing declared to test"},{"rung":"owner_verified","state":"not_reached","why":"nobody has proven control of stainless.com to CrawlCheck, so who stands behind the site is unconfirmed"},{"rung":"authorized","state":"not_reached","why":"the domain's owner has published no authorization for agents"},{"rung":"reliable","state":"not_measured","why":"reliability is measured for MCP endpoints over time; none on this domain is on the panel"},{"rung":"action_ready","state":"not_reached","why":"not yet: discovered, conformant, owner_verified, authorized, reliable"}],"rule":"level is the highest rung with every rung under it reached; a rung is reached only on measured evidence, not_reached when measured and short, not_measured when there was nothing to measure. The ladder describes evidence; each action's decision is still made in actions"},"code":{"version_id":"6929574e-df21-45a5-8a92-5b8ba41cc9aa","script_sha16":"85c9b9b6c9a512ed","state":"attested","deployed":{"at":"2026-10-18T20:02:49.319Z","commit":"2bf491f55991","run":"39161431635"},"build_log_entry":597,"score_version":32,"scoring_policy_sha256":"d3c9c95d409dae4e90b8e868ff113e631e445e33c14a0cc008dda144293821b3","decision_rules_sha256":"18dd5636e0896692ab518050cb401744edea2e6f1086dff94fead314959bdc3e","check":"https://crawlcheck.io/api/v1/builds/6929574e-df21-45a5-8a92-5b8ba41cc9aa"},"sha256":"c598adcfb0133a788901bef3f977fb64704bc2ca39fdc1f23fac598787a566a7","signature":{"v":1,"alg":"Ed25519","kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","over":"sha256","message":"crawlcheck-data-v1\nc598adcfb0133a788901bef3f977fb64704bc2ca39fdc1f23fac598787a566a7","sig":"yGdt-56I8clJBJ1A8_r_H72agMlMCaUZGtdiBDFoBXmjf0VhqF8EUB6JJn6n5ztK45jGnq-uaWWEwl1ComKtBQ","signed_at":"2026-10-19T02:26:14.461Z","key":{"kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","jwk":{"kty":"OKP","crv":"Ed25519","x":"5TmKCOx0TTHepq7HwyXBHvGQpVCSBd2lV8cLzYVqFxQ"},"published_in":"https://crawlcheck.io/.well-known/http-message-signatures-directory"},"canonical":"sha256 over canonical JSON of every field except sha256 and signature"}}