Agent Ready Crawlers

The field guide to every AI crawler and agent at the door, and the vendors who decide who gets in.

Live answer fetcher from Mistral AI

MistralAI-User

In short

MistralAI-User is Mistral AI's live answer fetcher. The token to write in robots.txt is MistralAI-User. Check a visitor against the operator's published IP list. User actions in Vibe (Le Chat). On robots.txt, Mistral: MistralAI-User governs which sites user requests can be made to; not used for automatic crawling or training.

Operator
Mistral AI Vendor profile: Mistral AI
Purpose
Live answer fetch All live answer fetch rows. Fetches a page because a person asked an assistant about it, one request at a time.
User-agent string
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; MistralAI-User/1.0; +https://docs.mistral.ai/robots)
robots.txt token
MistralAI-User Matched case-insensitively (RFC 9309). The token and the user-agent string are different things.
Respects robots.txt

Yes, per operator

Mistral: MistralAI-User governs which sites user requests can be made to; not used for automatic crawling or training. Source, read 2026-11-04.

Verification

Published IP list (JSON)

Match the source address of a request against the operator's published list. Documentation, read 2026-11-04.

IP ranges
mistral.ai/mistralai-user-ips.json
Rate behaviour
User-triggered.
Block rate

7.7% of 5,938 top-10,000 sites with a parsed robots.txt disallow MistralAI-User at the root (459 sites). 3.8% name it; 3.9% refuse it only through a * group. Rank 28 of 31 tokens measured.

Across all 8,624 parsed robots.txt files in the crawl: 5.5% (2.6% named). Crawl of 2026-11-04; report.

Documentation
docs.mistral.ai, read 2026-11-04.

Note. User actions in Vibe (Le Chat).

Allow and refuse lines

To allow MistralAI-User

User-agent: MistralAI-User
Allow: /

To refuse MistralAI-User

User-agent: MistralAI-User
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.

IP lists
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

Sources

Last reviewed 2026-11-04