---
title: "MistralAI-Index: user agent, token, block rate | Agent Ready Crawlers"
description: "MistralAI-Index from Mistral AI: exact user-agent string, robots.txt token MistralAI-Index, search index purpose and how to verify it. Read 2026-11-04."
canonical: https://agentreadycrawlers.com/crawlers/mistralai-index
site: "Agent Ready Crawlers"
last_updated: 2026-11-04
section: "Crawlers"
---

# MistralAI-Index: user agent, token, block rate | Agent Ready Crawlers

> MistralAI-Index from Mistral AI: exact user-agent string, robots.txt token MistralAI-Index, search index purpose and how to verify it. Read 2026-11-04.

Source: https://agentreadycrawlers.com/crawlers/mistralai-index
Site: Agent Ready Crawlers
Last reviewed: 2026-11-04

Search index crawler from Mistral AI

# MistralAI-Index

In short

MistralAI-Index is Mistral AI's search index crawler. The token to write in robots.txt is MistralAI-Index. Check a visitor against the operator's published IP list. The crawl of 2026-11-04 did not measure MistralAI-Index. Its user-agent entry: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; MistralAI-Index/1.0; +https://docs.mistral.ai/robots). On robots.txt, indexing only; content is not used for generative AI training of any kind.

Operator

[Mistral AI](https://agentreadycrawlers.com/crawlers/operator/mistral-ai/) Vendor profile: [Mistral AI](https://agentreadycrawlers.com/vendors/mistral-ai/)

Purpose

Search index [All search index rows](https://agentreadycrawlers.com/crawlers/purpose/search-index/). Builds a search index that sends visitors back. Refusing it removes pages from that product.

User-agent string

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

robots.txt token

`MistralAI-Index` Matched case-insensitively (RFC 9309). The token and the user-agent string are different things.

Respects robots.txt

Yes, per operator

Mistral: indexing only; content is not used for generative AI training of any kind. [Source](https://docs.mistral.ai/robots), read 2026-11-04.

Verification

Published IP list (JSON)

Match the source address of a request against the operator's published list. [Documentation](https://mistral.ai/mistralai-index-ips.json), read 2026-11-04.

IP ranges

[mistral.ai/mistralai-index-ips.json](https://mistral.ai/mistralai-index-ips.json)

Rate behaviour

Not published.

Block rate

Not measured: the crawl checked 31 AI and search tokens, and `MistralAI-Index` is not one of them.

Documentation

[docs.mistral.ai](https://docs.mistral.ai/robots), read 2026-11-04.

Note. Indexes for Mistral search.

## Allow and refuse lines

### To allow MistralAI-Index

User-agent: MistralAI-Index
Allow: /

### To refuse MistralAI-Index

User-agent: MistralAI-Index
Disallow: /

Refusing or allowing in robots.txt states a preference. Enforcement of a refusal belongs in your WAF; see how to verify the identity above.

## Mistral AI in the Verification Ledger

IP lists for User and Index; none linked for Training. [All operators](https://agentreadycrawlers.com/verification/).

IP lists

-   [mistral.ai/mistralai-user-ips.json](https://mistral.ai/mistralai-user-ips.json)
-   [mistral.ai/mistralai-index-ips.json](https://mistral.ai/mistralai-index-ips.json)

Reverse DNS

publishes nothing

Key directory

publishes nothing

Cloudflare

not checked

Visa TAP registry

no public operator-level registration found (checked 2026-11-04)

Mastercard Agent Pay

no public operator-level registration found (checked 2026-11-04)

## Other Mistral AI rows

-   [MistralAI-User](https://agentreadycrawlers.com/crawlers/mistralai-user/) Live answer fetch token MistralAI-User
-   [MistralAI-Training](https://agentreadycrawlers.com/crawlers/mistralai-training/) Training token MistralAI-Training

## Sources

-   [Mistral crawlers](https://docs.mistral.ai/robots) read 2026-11-04
-   [mistral.ai: mistralai index ips (JSON)](https://mistral.ai/mistralai-index-ips.json) read 2026-11-04

Last reviewed 2026-11-04