Search engines briefly indexed shared Claude conversations, making them visible to anyone. Users on Reddit：https://www.reddit.com/r/ClaudeAI/ found thousands of shared chats with Anthropic's AI chatbot through a simple Google search ( site:claude.ai/share ). The "Share with link" feature apparently lacked a noindex tag, which tells search engines not to include pages in their results. OpenAI made the same mistake last year and later removed the feature：https://uk.pcmag.com/ai/159360/be-careful-what-you-tell-chatgpt-your-chats-could-show-up-on-google-search.

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