Last updated 10 hours ago.

What is anthropic-ai?


anthropic-ai is a unconfirmed agent possibly used by Anthropic to download training data for its LLMs (Large Language Models) that power AI products like Claude.


Operator Anthropic


Undocumented AI Agent
AI-related but without a disclosed purpose

Expected Behavior

Since the operator isn't currently sharing details about the agent's purpose, it's difficult to know how it's expected to behave. Theoretically, it could be used for multiple purpose with different behavioral patterns.


Activity on Your Website

Half of your website's traffic probably comes from artificial agents, and they're becoming more intelligent every day.

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Other Websites

of top websites are currently blocking anthropic-ai in some way
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Access Control

Should I Block anthropic-ai?

It's difficult to say. The purpose or purposes of undocumented AI agents could either be good or bad for your website, depending on what they are.

Using Robots.txt

User Agent Token Description
anthropic-ai Should match instances of anthropic-ai

You can block anthropic-ai or limit its access by setting user agent token rules in your website's robots.txt.

# robots.txt
# This should block anthropic-ai

User-agent: anthropic-ai
Disallow: /

Instead of doing this manually, you can generate a robots.txt that stays up to date with the agent list automatically.

Set Up Your Robots.txt