Operated by Anthropic. Last seen today.

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.


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.

Access Control

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 blocks anthropic-ai

User-agent: anthropic-ai
Disallow: /

Instead of doing this manually, you can generate your robots.txt automatically using the free API or Wordpress plugin.

Get the Robots.txt


Other Websites

of top websites are currently blocking anthropic-ai in some way
Updated today