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claudebot

GoodBotCommunity-sourced

A dedicated crawler operated by Anthropic used to index web content for the training and improvement of Claude AI models. Operated by Anthropic.

GoodBot
Assessment
AI Crawler
Category
Bot
Kind
1
Data sources
AI-generated summary, drawn from Cloudflare, operator docs, and community data

What is claudebot?

claudebot is the official web crawler deployed by Anthropic to gather data from the public internet. This data is processed and utilized to enhance the capabilities, safety, and knowledge breadth of the Claude family of large language models. By systematically visiting websites, the bot ensures that Anthropic's models remain informed by current information and diverse human-generated content.

Helpful — It is a verified crawler from a major AI lab that respects robots.txt directives and provides a clear mechanism for site owners to opt-out.

Identification

Bot name
claudebot
Operator
Anthropic
Category
AI Crawler
Verification
Community-sourced
Main use cases
AI model trainingData indexing for LLM knowledge baseImproving model reasoning and accuracy

Why it crawls your site

The primary purpose of claudebot is to ingest high-quality, publicly available web data to refine the training datasets used for Anthropic's AI systems. Anthropic maintains transparency regarding this activity by adhering to standard web protocols, including honoring robots.txt instructions that disallow crawling. Site owners can verify the bot's legitimacy by checking the official Anthropic documentation, which outlines how to manage or block the crawler's access to their domains.

IP ranges

Requests from claudebot originate from these published ranges. For strict verification, match the source IP against this list in addition to checking the user-agent and reverse-DNS.

Block or allow claudebot

Block it

Add a Disallow rule for claudebot in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block claudebot from crawling your entire site
User-agent: claudebot
Disallow: /

# Allow claudebot full access
User-agent: claudebot
Allow: /
Allow & verify

Ensure your robots.txt allows claudebot. Verify requests by checking the user-agent string.

Traffic & trends

Cloudflare Radar traffic

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Google Trends interest

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Related bots

Other crawlers operated by Anthropic.

Data sources

This profile is compiled from the following sources.

GithubWhitelist
Last updated July 21, 2026