Fundamentals14 min read
GPTBot, ClaudeBot, PerplexityBot: Official robots.txt Guide
Official user agents, robots.txt tokens and IP ranges for GPTBot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, PerplexityBot and Google-Extended (Oct 2026).
By Raphaël AubryHowseen AI Blog
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Originally published by Howseen AI Blog on Sep 17, 2026.
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