Anthropic · AI answers

Claude-User

Claude-User is Anthropic's crawler. This crawler fetches a page in real time to answer a specific user's question.

Crawler facts

Operator	Anthropic
User agent token	`claude-user`
Traffic type	AI answers
Verification	UA + IP range
IP source	https://claude.com/crawling/bots.json

What "verified" means for Claude-User

For Claude-User, "verified" means DataSaaS compares the request IP against Anthropic's published ranges. A request carrying this user agent from any other IP is recorded as unverified.

Track it

Claude-User fetches raw HTML and never runs JavaScript, so no browser tag can see it. Install the DataSaaS server-side package to record every request and verify the ones that publish IP ranges.

Read the bot-traffic setup guide

More from Anthropic

ClaudeBot Claude-SearchBot

See which crawlers hit your site

DataSaaS records every AI crawler and search bot, then verifies the ones that publish IP ranges. Browse the full crawler directory.

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