{"schema_version":"newruntime-reader-dossiers-v1","type":"reader_dossier","id":"reader:twitterbot","slug":"twitterbot","name":"Twitterbot","kind":"link_preview","kind_label":"Link previewers","operator":{"name":"X Corp.","url":"https://x.com/"},"docs_url":null,"robots_tokens":["Twitterbot"],"purpose":"X's fetcher that retrieves card metadata (Twitter Cards / Open Graph) to render link previews when a URL is shared on X.","feeds":["link_preview"],"respects_robots":"unknown","robots_note":"X developer docs (cards getting-started) were not reachable (402/404); third-party sources conflict on robots.txt.","verification":{"method":"none_published","url":null},"why_it_matters":{"text":"Someone shared a New Runtime link on X; a distribution signal in the AI-news crowd.","kind":"new_runtime_interpretation"},"confidence":"medium","researched_at":"2026-10-23","sources":["https://knownagents.com/agents/twitterbot"],"icon_url":"https://newruntime.com/readers/icons/x.png","matching":{"aliases":["twitterbot"],"rule":"Reduce each agent_days label to a token: for labels starting with Mozilla/ take the product after 'compatible;', else a versioned crawler token such as 'FooBot/1.0' (a truncated 'Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (KHTML, like Gecko) Mobile' prefix logged before 23 Oct 2026 is PetalBot; anything else is unidentified-android, unidentified-linux-chrome or unidentified-browser); otherwise take the text before the first '/', '(' or ';' and drop a trailing ' token probe'. Lowercase it. A dossier owns the tokens in its aliases."},"observed_baseline":{"as_of":"2026-10-23T08:01:01.990Z","window_first_day":"2026-07-23","window_last_day":"2026-10-23","observed_days":93,"note":"Refreshed daily in production from the live aggregates (dated by as_of). For current numbers aggregate live_sources.history agent_days by matching.aliases.","total_requests":40,"first_seen":"2026-07-23T09:20:51.948Z","last_seen":"2026-10-23T06:58:27.528Z","days_active":7,"recency":"returning","categories":["other_bot"],"label_variants":1,"journeys":null},"identity_note":"A family name is what a client claims in its user agent. It is verified only when its request came from the operator's published IP ranges or passed forward-confirmed reverse DNS, as reported per family in /crawler-journeys.json. Anyone can claim any name.","privacy":{"scope":"family-level aggregates only","ip_addresses":"not_output","raw_user_agents":"not_output (labels are sanitized; URLs inside them are redacted)","visitor_ids":"not_output","query_strings":"not_output"},"live_sources":{"history":"https://newruntime.com/bot-traffic-history.json","latest":"https://newruntime.com/bot-traffic-latest.json","machine_consumption":"https://newruntime.com/machine-consumption.json","crawler_journeys":"https://newruntime.com/crawler-journeys.json"},"routes":{"html":"https://newruntime.com/readers/twitterbot/","markdown":"https://newruntime.com/readers/twitterbot.md","json":"https://newruntime.com/readers/twitterbot.json","index":"https://newruntime.com/readers.json","index_html":"https://newruntime.com/readers/"}}