User-Agent: * User-Agent: GPTBot User-Agent: OAI-SearchBot User-Agent: ChatGPT-User User-Agent: ClaudeBot User-Agent: anthropic-ai User-Agent: PerplexityBot User-Agent: Google-Extended User-Agent: Applebot-Extended User-Agent: CCBot User-Agent: Meta-ExternalAgent User-Agent: cohere-ai Allow: / Disallow: /*sanity_test* Sitemap: https://amplitude.com/sitemap.xml