What is Google-CloudVertexBot? AI crawler guide

Google-CloudVertexBot is a crawler or fetcher associated with Google. See source-graded user-agent, robots.txt, verification, and observation guidance.

What is Google-CloudVertexBot?

Google-CloudVertexBot is a documented Google crawler or fetcher. Google crawler used for site-owner-requested crawls related to Vertex AI Agents.

Evidence status

Field Value
Evidence Officially documented
Lifecycle Active
Purpose other
robots.txt posture honors
Source checked 2026-06-11

Documented user-agent

Google-CloudVertexBot

Google-CloudVertexBot access decides whether Google can fetch your pages. Whether those pages get used in generated answers is a separate question, so track your presence in Google's AI results rather than treating crawl volume as visibility.

robots.txt allow example

User-agent: Google-CloudVertexBot Allow: /

robots.txt block example

User-agent: Google-CloudVertexBot Disallow: /

What the rule can and cannot do

Robots.txt expresses an access policy to compliant automated crawlers. It does not authenticate the sender, remove content already collected, or guarantee that a model will use or not use content.

How to verify a request

JavaScript behavior

The cited operator material does not verify JavaScript rendering. Serve useful HTML before client-side JavaScript where possible.

Related bots

Frequently Asked Questions

What is Google-CloudVertexBot?

Google-CloudVertexBot is a officially documented crawler or fetcher record associated with Google.

What user-agent does Google-CloudVertexBot use?

Google-CloudVertexBot. Check the evidence status before attributing a matching request.

Can Google-CloudVertexBot be blocked in robots.txt?

The record identifies Google-CloudVertexBot as the token to review. Robots.txt is a request policy, not proof of model use or non-use.

How can I verify a Google-CloudVertexBot request?

Treat the user-agent as a clue and look for operator-published IP, reverse-DNS, or signature guidance.

Data & Sources