Google-Agent

Neutral Block: Depends Verified robots.txt: No

Google user-triggered agent used by Google-hosted agents to navigate the web on a user’s request.

Used by Google-hosted agents to navigate the web and perform actions on behalf of users.

Key facts

Operator: Google
Family: Google
Purpose: User Triggered
User-Agent: Google-Agent
Should you block it?: Depends
Verified: Yes
Respects robots.txt: No
Identity type: Unknown
Confidence: High
Last checked: 2026-04-03

Bot details

Identity

User-Agent: Google-Agent
robots.txt token: Google-Agent
HTTP user-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Google-Agent; +https://developers.google.com/crawling/docs/crawlers-fetchers/google-agent) Chrome/W.X.Y.Z Safari/537.36

Ownership

Operator: Google
Family: Google
Type: Ai
Purpose: User Triggered

Verification and trust

Source type: Unknown
Confidence: High
Last checked: 2026-04-03
Verification: Verify reverse DNS and forward DNS against Google-hosted ranges for user-triggered agents, following Google’s crawler verification guidance.
Operator URL: https://developers.google.com/crawling/docs/crawlers-fetchers/google-agent
Source URL: https://developers.google.com/crawling/docs/crawlers-fetchers/google-user-triggered-fetchers
Spoofing risk: User-agent strings can be spoofed. Verify with the operator’s published guidance before allow-listing.

Blocking and detection

Officially documented in Google’s user-triggered fetchers docs and March 2026 changelog.

Robots

User-agent: Google-Agent
Disallow: /

Cloudflare

(http.user_agent contains "Google-Agent")

Advanced server rules

Apache

RewriteCond %{HTTP_USER_AGENT} Google-Agent [NC]
RewriteRule .* - [F,L]

Nginx

if ($http_user_agent ~* "Google-Agent") { return 403; }

Notes

Google-Agent is a user-triggered Google fetcher used by agents hosted on Google infrastructure to navigate the web and perform actions on behalf of users. Google added this user agent to its crawling documentation in March 2026.

Evidence and source

Verify reverse DNS and forward DNS against Google-hosted ranges for user-triggered agents, following Google’s crawler verification guidance.
Officially documented in Google’s user-triggered fetchers docs and March 2026 changelog.
Used by Google-hosted agents to navigate the web and perform actions on behalf of users.
User-agent strings can be spoofed. Verify with the operator’s published guidance before allow-listing.

https://developers.google.com/crawling/docs/crawlers-fetchers/google-user-triggered-fetchers