Claude-User — What It Is and How to Handle It

Claude-User is dispatched by Anthropic's Claude AI assistant in response to user prompts, when it needs to fetch content to include in its answers.

Operator: Anthropic | Type: AI Assistant | Category: AI Crawler

Claude-User is classified as an AI crawler. It accesses your content for AI-related purposes. If you want to protect your content from being used without compensation, consider blocking or monetizing access from this crawler with Centinel.

Centinel automatically detects Claude-User using behavioral fingerprinting. When detected, you can allow it, block it, challenge it with an interstitial page, or set a per-request licensing fee — all enforced in real-time with under 2ms latency.