Google · Agents

What is GoogleAgent-Mariner?

A community-reported token for a Google browsing agent, listed alongside GoogleAgent-URLContext and GoogleAgent-Shopping. It also appears in amazon.com's robots.txt.

robots.txt token: GoogleAgent-Mariner
Operator: Google
Purpose: Agents
Obeys robots.txt: Not stated The operator does not say.
Documented by operator: No. The token is known only from community lists such as ai.robots.txt.

Google's official crawler pages do not list it, so its robots.txt behaviour is unknown.

Block GoogleAgent-Mariner from your whole site

robots.txt

User-agent: GoogleAgent-Mariner
Disallow: /

Allow it, but keep private paths out

robots.txt

User-agent: GoogleAgent-Mariner
Allow: /
Disallow: /admin/

This bot fetches pages for a person, or for an agent acting on one's behalf. Several operators say robots.txt may not apply to such requests, so check the line above and enforce at your firewall if it matters.

Other bots from Google

Googlebot Google-Extended Google-CloudVertexBot GoogleOther Google-Agent Google-GeminiNotebook Gemini Spark Gemini-Deep-Research

Add it to a robots.txt in the generator →

Sources

github.com/ai-robots-txt/ai.robots.txt
amazon.com/robots.txt