ClaudeBot is Anthropic's web crawler, used to gather publicly available content that supports Claude. Like other AI crawlers, it checks robots.txt to determine which pages it is permitted to fetch, so site owners can allow or restrict it there.
For brands, ClaudeBot follows the same pattern as the other AI crawlers: it does not execute JavaScript, so content that appears only after client-side rendering may be invisible to it. The two practical requirements for being reachable are serving server-rendered HTML and not disallowing the bot in robots.txt. Confirming both is part of basic AI readiness.