Anthropic

Claude-SearchBot

Crawls the web to index content and enhance Claude's search-based answers.

Purpose: Search indexing for Claude answers

Quick Facts

Company
Anthropic
Respects robots.txt
Yes
Last Updated
2025-05
Official Documentation

📊 Popularity & Traffic

Similar to PerplexityBot or OAI-SearchBot in function.

🤖 User Agent Strings

Use these patterns to identify Claude-SearchBot in your server logs or configure your robots.txt file.

Claude-SearchBot

Respects robots.txt

Indexes content for Claude search features

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; Claude-SearchBot/1.0

🌐 IP Ranges

Source: Not published

No specific IP ranges published. Identify this bot using the User Agent strings above.

📝 Robots.txt Configuration

Add the following to your robots.txt file to block Claude-SearchBot:

User-agent: Claude-SearchBot
Disallow: /

💡 Important Notes

  • Blocking reduces presence in Claude's answer citations
  • Anthropic doesn't have a public search engine - indexing is for the chatbot only
Beyond blocking crawlers

See what AI is saying about your brand

Understanding crawlers is step one. With Aiso, you can see the actual conversations happening about your brand inside ChatGPT, Claude, and Perplexity.