What is Claude-User?

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Claude-User: Anthropic's user agent for fetching a web page when a person's question to Claude needs that page.

Claude-User is the bot behind a live page read: when Claude decides it needs a page to answer you, the request comes from Claude-User. It follows robots.txt, and Anthropic says blocking it may make a site less visible in Claude's answers.

In Only Fan Out, pages Claude opens directly show up as searches tagged fetch. How Claude searches the web explains when Claude opens a page in full.

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Only Fan Out is a free Chrome side panel that lists the queries, fetched pages and cited pages behind each ChatGPT, Claude or Grok answer. Nothing leaves your browser.

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