What is MistralAI-Index?
MistralAI-Index is one of Mistral AI's automated web crawlers. It indexes web content to power search capabilities in Vibe, Mistral's AI assistant product. You can set up Agent Analytics to see when MistralAI-Index visits your website.
Overview
| Operated By | Mistral |
| Source | Official Website |
| Expected To Follow Robots.txt | Yes |
| Insights Last Updated | September 13, 2026 |
Do you operate this agent? Contact us to suggest an update.
Category
Expected Behavior
MistralAI-Index revisits your site on a flexible schedule, often requesting several pages in a burst. Activity usually increases when your content changes or its index refreshes, with quiet intervals between crawl passes.
MistralAI-Index's User Agent
| User Agent | Mozilla/5.0 (compatible; MistralAI-Index/1.0; +https://docs.mistral.ai/robots) |
How To Block MistralAI-Index With Robots.txt
Add this rule to your robots.txt file to block MistralAI-Index from accessing your website, or use Automatic Robots.txt to block all AI search crawlers at once. You can customize which pages are blocked by swapping out / for a different path.
User-agent: MistralAI-Index # https://knownagents.com/agents/mistralai-index
Disallow: /Insights for MistralAI-Index
As of September 13, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the top 1000 websites and their robots.txt files.
Robots.txt Blocked Percentage
Country of Origin
Robots.txt Blocking Trend
7% of top websites block MistralAI-Index in their robots.txts.
Overall AI Search Crawler Traffic
3.6% of all web traffic came from AI search crawlers.
Frequently Asked Questions
Should I Block MistralAI-Index?
Usually not. Blocking MistralAI-Index keeps your pages out of its AI search results and can eliminate referral traffic from that channel. It does not improve traditional search rankings. For context, 7% of the top websites we track currently have robots.txt rules for MistralAI-Index.
Does MistralAI-Index Follow Robots.txt Rules?
Yes. MistralAI-Index is expected to follow robots.txt rules, so a disallow rule is the appropriate first step. Automatic Robots.txt can add and maintain that rule, while Agent Analytics lets you verify whether MistralAI-Index respects it.
Does MistralAI-Index Access Private Content?
No special access. MistralAI-Index can reach only content available to anonymous visitors. Make sure staging sites and other sensitive areas require authentication.
How Can I Tell if MistralAI-Index Is Visiting My Website?
Agent Analytics tracks visits from MistralAI-Index and every other known AI agent, crawler, and scraper, then authenticates each visit using MistralAI-Index's published verification method. You can also check your server logs for requests whose user-agent string contains "MistralAI-Index". Look for bursts that follow links across several pages and recur over time. A matching log entry alone is not proof because any bot can claim to be MistralAI-Index.
Why Is MistralAI-Index Visiting My Website?
MistralAI-Index is updating an AI search index so your pages can appear in its results. It may have discovered your site through links, a sitemap, or mentions of your domain.