What is MistralAI-User?

Fetches pages on behalf of Le Chat users. It is operated by Mistral AI.

Does MistralAI-User respect robots.txt?

Yes. Mistral AI states that MistralAI-User honours robots.txt directives, so a Disallow rule for the MistralAI-User token is sufficient.

AI agent

Mistral AIHonours robots.txt

Fetches pages on behalf of Le Chat users. Growing in European markets, particularly France.

MistralAI-User/1.0

How to verify it

Mistral published ranges.

What blocking costs

Growing in European markets, particularly France.

# Block MistralAI-User
User-agent: MistralAI-User
Disallow: /

# Allow everything else
User-agent: *
Allow: /

Robots.txt is enough

Mistral AI documents MistralAI-User as honouring robots.txt. Verify with your logs after deploying — a spoofed agent will keep coming.

Generate a full robots.txt

Pick which AI crawlers to allow or block across all 42 agents and copy the file out.