Mistral · Indexing

MistralAI-Index

Identify MistralAI-Index by its user agent. Check request identity, review robots.txt controls and track visits in Aiola Analytics.

Download AiolaAI crawler directory

Key facts

User-agent token: MistralAI-Index
Indexing: Crawled for AI or search indexing.
Mistral publishes official IP ranges; verify requests against them.

What MistralAI-Index is

MistralAI-Index automatically indexes web content for Mistral search used by Vibe. Mistral states that this content is not used for generative AI training.

In Aiola's taxonomy, Indexing means crawled for ai or search indexing.

MistralAI-Index user agent

Look for the match token inside the complete HTTP User-Agent header. Tokens can be spoofed, so use the network checks below for authentication.

Full example User-Agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; MistralAI-Index/1.0; +https://docs.mistral.ai/robots)
Case-insensitive match token
MistralAI-Index

Official IP ranges

Mistral publishes an official IP range list. This cached snapshot contains 2 CIDR prefixes, last fetched 2026-10-23. Open the live source

Official IP range snapshot
135.225.57.92/32
20.240.192.194/32

Verify a MistralAI-Index request

For MistralAI-Index, compare the source IP from your trusted edge or server against Mistral’s current published prefixes.

Test one CIDR in Python (replace REQUEST_IP)
python3 -c 'import ipaddress; print(ipaddress.ip_address("REQUEST_IP") in ipaddress.ip_network("135.225.57.92/32"))'

Test every current prefix in the vendor feed and re-fetch it regularly. This cached snapshot is evidence of publication, not a permanent firewall list.

Control MistralAI-Index with robots.txt

Mistral documents crawler controls for this bot family. Robots.txt can direct cooperative crawling, but it cannot prove that a request is authentic.

Allow MistralAI-Index
User-agent: MistralAI-Index
Allow: /
Block MistralAI-Index
User-agent: MistralAI-Index
Disallow: /

Read official crawler documentation

Aiola Analytics

See every MistralAI-Index visit on your site

Aiola tracks 70 AI, search and link-preview crawlers next to your human traffic. See when MistralAI-Index arrives, which pages it requests and how that changes over time. Hosted Analytics needs Pro or a trial.

Download AiolaSet up bot tracking
Aiola Analytics showing AI crawler visits by bot and page

Common questions

Build, ship and fix in one app

Errors, user feedback, GitHub and analytics live next to your coding agents in one desktop app. Every issue becomes a task an agent can take.

Download Aiola