Directory / ChatGPT-User

ChatGPT-User

AI Assistant / Agent OpenAI robots.txt behaviour unknown

ChatGPT user web crawler bot

User-Agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot

Allow ChatGPT-User in robots.txt

User-agent: ChatGPT-User
Allow: /

Block ChatGPT-User in robots.txt

User-agent: ChatGPT-User
Disallow: /

Blocking prevents the assistant from reading your pages when users ask about them — links to your site will fail inside the AI product.

Official documentation: https://openai.com/bot

Is ChatGPT-User blocked on your site — even by accident?

Free dual-engine check: robots.txt verdicts for all 222 bots plus live User-Agent probes. Finds WAF blocks your robots.txt doesn't show.