The Walled Web Newsletter

AI bots we track / AI assistants

Who blocks MistralAI-User?

MistralAI-User is Mistral AI's AI assistant bot. It visits a page the moment a person asks an AI to. Mistral AI implies it obeys robots.txt: "MistralAI-User governs which sites these user requests can be made to." Source

22of 159
sites block it from the whole site
9of 22
of those name it in robots.txt
1of 159
block it from part of the site
0of 159
name it and let it in

Out of the 159 tracked sites whose robots.txt we could read. Test any other name.

Share of sites blocking MistralAI-User, Jan 2023 to now

The same 143 sites in every month. Before this bot existed, sites that block every bot they don't name already kept it out.

MistralAI-User 14%
0%5%10%15%20%2023202420252026MistralAI-User 14%0%5%10%15%20%'23'24'25'26
Table view
MonthMistralAI-UserSites with a file
Jan 20234%143
Feb 20234%143
Mar 20234%143
Apr 20234%143
May 20234%143
Jun 20234%143
Jul 20234%143
Aug 20234%143
Sep 20234%143
Oct 20234%143
Nov 20234%143
Dec 20234%143
Jan 20244%143
Feb 20244%143
Mar 20244%143
Apr 20245%143
May 20244%143
Jun 20244%143
Jul 20244%143
Aug 20244%143
Sep 20243%143
Oct 20243%143
Nov 20243%143
Dec 20244%143
Jan 20253%143
Feb 20253%143
Mar 20254%143
Apr 20254%143
May 20255%143
Jun 20255%143
Jul 20255%143
Aug 20254%143
Sep 20256%143
Oct 20258%143
Nov 20258%143
Dec 20259%143
Jan 20268%143
Feb 20269%143
Mar 202610%143
Apr 202610%143
May 202612%143
Jun 202613%143
Jul 202613%143
Aug 202614%143
Sep 202614%143
Oct 202614%143

Blocked by name (9)

AmazonCNNThe AtlanticThe New YorkerUSA TodayPoliticoThe VergeWIREDTikTok

Blocked by the general rules for all crawlers (13)

InstacartYelpNextdoorThe Wall Street JournalReutersRedditXFacebookInstagramLinkedInPinterestThreadsIMDb

Blocked from part of the site (1)

Quora

Named and allowed (0)

None.

Recent changes

  • May to Sep 2026
    IMDb Now blocked: ClaudeBot, Applebot-Extended, Meta-ExternalAgent, Bytespider, MistralAI-Training, AI2Bot, OAI-SearchBot, Claude-SearchBot and 9 more.
    More blocking
  • Mar to Jun 2026
    CNN Now blocked: Claude-SearchBot, Claude-User, Perplexity-User and MistralAI-User.
    More blocking
  • Jun 2026
    The Verge Now blocked: Meta-ExternalAgent, AI2Bot, Claude-SearchBot, DuckAssistBot, Claude-User, Perplexity-User, Meta-ExternalFetcher and MistralAI-User.
    More blocking
  • Jun 2026
    The Wall Street Journal Now blocked: MistralAI-Training, AI2Bot, Claude-SearchBot, Amazonbot, Amzn-SearchBot, DuckAssistBot, MistralAI-Index, Meta-WebIndexer and 5 more.
    More blocking
  • Feb to May 2026
    Pinterest Now blocked: MistralAI-Training, AI2Bot, OAI-SearchBot, Claude-SearchBot, Amazonbot, Amzn-SearchBot, MistralAI-Index, Meta-WebIndexer and 5 more.
    More blocking
  • Apr 2026
    The Atlantic Now blocked: Meta-ExternalAgent, Claude-SearchBot, Claude-User, Meta-ExternalFetcher and MistralAI-User. Added Content-Signal: search=yes, ai-input=no, ai-train=no.
    More blocking
  • Mar 2026
    Reuters Now blocked: AI2Bot and MistralAI-User. Now allowed: Claude-User.
    Mixed
  • Feb 2026
    Reddit Now blocked: GPTBot, ClaudeBot, Google-Extended, Applebot-Extended, CCBot, Meta-ExternalAgent, Bytespider, MistralAI-Training and 17 more.
    More blocking
  • Oct 2025
    The New Yorker Now blocked: ClaudeBot, Claude-SearchBot, DuckAssistBot, Meta-WebIndexer, Claude-User, Perplexity-User, Meta-ExternalFetcher and MistralAI-User. Now allowed: anthropic-ai.
    Mixed
  • Oct 2025
    TikTok Now blocked: GPTBot, ClaudeBot, Google-Extended, Applebot-Extended, CCBot, Meta-ExternalAgent, AI2Bot, anthropic-ai and 8 more.
    More blocking
  • Oct 2025
    WIRED Now blocked: ClaudeBot, Claude-SearchBot, DuckAssistBot, Meta-WebIndexer, Claude-User, Perplexity-User, Meta-ExternalFetcher and MistralAI-User. Now allowed: anthropic-ai.
    Mixed
  • Jun to Sep 2025
    Amazon Now blocked: ClaudeBot, Google-Extended, Meta-ExternalAgent, Bytespider, AI2Bot, DuckAssistBot and MistralAI-User.
    More blocking