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# MistralAI-User

> MistralAI-User is an AI assistant fetcher run by Mistral AI. It visits a page when a user asks Mistral's Vibe assistant a question, to help answer it and link to the source. Mistral says it is not used for automatic crawling or AI training.

- Operator: Mistral AI
- Kind: AI assistant fetcher
- robots.txt token: MistralAI-User
- Follows robots.txt: yes
- Source: https://docs.mistral.ai/robots (checked 2026-11-05)
- Page: https://invisit.dev/bots/mistralai-user

## What is MistralAI-User?

It visits a page when a user asks Mistral's Vibe assistant a question, to help answer it and link to the source. Mistral says it is not used for automatic crawling or AI training.

Fetches a page because a person asked an assistant about it, right now. Operators often say robots.txt does not apply to these user-triggered fetches.

- [Mistral AI’s documentation](https://docs.mistral.ai/robots)

## MistralAI-User user agent

Mistral AI documents this user agent for MistralAI-User. Version numbers in it change over time, so match on the name, not the whole string.

```
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; MistralAI-User/1.0; +https://docs.mistral.ai/robots)
```

## Should you block MistralAI-User?

Usually allow it. Each fetch is a person asking about your page right now, which is close to a visit. Blocking it in robots.txt may not stop it, since operators often treat these fetches as the person’s own.

## How to block MistralAI-User in robots.txt

Add a group for its token to robots.txt at the root of your site.

A bot follows only the group that names it, so it ignores your `User-agent: *` rules once it has a group of its own. Repeat any paths you also want kept from it there.

```
User-agent: MistralAI-User
Disallow: /
```

- [Build a robots.txt for AI bots](https://invisit.dev/tools/robots-txt-generator)

## How to verify a request is really MistralAI-User

Anyone can send any user agent, so the string alone proves nothing.

Mistral AI publishes the IP ranges MistralAI-User crawls from. A request that claims to be MistralAI-User from any other address is not MistralAI-User.

- [MistralAI-User IP ranges](https://mistral.ai/mistralai-user-ips.json)

## See when MistralAI-User reads your site

Bots don’t run JavaScript analytics, so a script tag never sees them. invisit records crawler reads on the server instead, through its server SDK or a Cloudflare Worker, and shows which bots read which pages, next to your visitors.

- [Track crawlers with invisit](https://invisit.dev/docs/server/sdk#crawler-reads)

## Common questions

### What is MistralAI-User?

MistralAI-User is an AI assistant fetcher run by Mistral AI. It visits a page when a user asks Mistral's Vibe assistant a question, to help answer it and link to the source. Mistral says it is not used for automatic crawling or AI training.

### Is MistralAI-User safe to block?

Usually allow it. Each fetch is a person asking about your page right now, which is close to a visit. Blocking it in robots.txt may not stop it, since operators often treat these fetches as the person’s own.

### How do I block MistralAI-User?

Add “User-agent: MistralAI-User” followed by “Disallow: /” to your robots.txt.