Project Mariner
Tier 2Google's AI agent that can browse and interact with websites.
User-Agent Token
GoogleAgent-MarinerRespects robots.txt
UnknownImpact Level
Major
100M+ users - Meta, Apple, Microsoft, Perplexity, xAI
Estimated Reach
100M+ users - Meta, Apple, Microsoft, Perplexity, xAI
🎯What is Project Mariner?
Project Mariner is an autonomous AI agent operated by Google. Autonomous AI browsing for tasks.
📊 How Your Data is Used
Task execution and web interaction.
🚫 What Happens If You Block
Google's AI agent can't complete tasks on your site.
💡 Good to Know
Experimental. Part of Google's push into AI agents that can take actions.
🏢About Google
🛡️GoogleAgent-Mariner robots.txt Configuration
Control GoogleAgent-Mariner access to your website using robots.txt directives.
Block GoogleAgent-Mariner
To completely block Project Mariner from crawling your site:
User-agent: GoogleAgent-Mariner
Disallow: /Allow GoogleAgent-Mariner Full Access
To explicitly allow Project Mariner to crawl your entire site:
User-agent: GoogleAgent-Mariner
Allow: /Selective Access for GoogleAgent-Mariner
To allow Project Mariner but restrict certain directories:
User-agent: GoogleAgent-Mariner
Disallow: /private/
Disallow: /api/
Disallow: /admin/
Allow: /GoogleAgent-Mariner User-Agent String
The user-agent token for Project Mariner is:
GoogleAgent-Mariner🌐Who Blocks Project Mariner?
Blocking (50 sites)
4p.de4players.deabendblatt.dea.coallgaeuer-zeitung.deall-in.deamazon.aeamazonalexa.comamazon.caamazon.clamazon.co.jpamazon.comamazon.com.auamazon.com.bramazon.com.coamazon.com.mxamazon.com.tramazon.co.ukamazon.co.zaamazon.deamazon.egamazon.esamazon.framazon.ieamazon.inamazon.itamazon.jpamazon.nlamazon.plamazon.saamazon.seamazon.sgamazonsilk.comamazonvideo.comamzn.toarkansasonline.comaugsburger-allgemeine.deautobild.deautozeitung.debarcelona.catbild.debraunschweiger-zeitung.debrigitte.debusinessinsider.debz-berlin.decarmagazine.co.ukchefkoch.decidadeverde.comcitywire.comcomputerbild.de
🔗Other Google Bots
Check Your Site's AI Policy
See if you're blocking or allowing Project Mariner and other AI crawlers.