--- title: "Google-CloudVertexBot: user agent and token | Agent Ready Crawlers" description: "Google-CloudVertexBot from Google: robots.txt token Google-CloudVertexBot, other purpose and what a site can check; no exact user-agent string is published." canonical: https://agentreadycrawlers.com/crawlers/google-cloudvertexbot site: "Agent Ready Crawlers" last_updated: 2026-11-04 section: "Crawlers" --- # Google-CloudVertexBot: user agent and token | Agent Ready Crawlers > Google-CloudVertexBot from Google: robots.txt token Google-CloudVertexBot, other purpose and what a site can check; no exact user-agent string is published. Source: https://agentreadycrawlers.com/crawlers/google-cloudvertexbot Site: Agent Ready Crawlers Last reviewed: 2026-11-04 Bot from Google # Google-CloudVertexBot In short Google-CloudVertexBot is Google's bot, filed under Other. The token to write in robots.txt is Google-CloudVertexBot. Verify it by reverse DNS, then a forward lookup. Also matches the Googlebot token group per Google's table. On robots.txt, preferences addressed to Google-CloudVertexBot affect crawls requested by site owners for building Vertex AI Agents; no effect on Search. Operator [Google](https://agentreadycrawlers.com/crawlers/operator/google/) Vendor profile: [Google](https://agentreadycrawlers.com/vendors/google/) Purpose Other [All other rows](https://agentreadycrawlers.com/crawlers/purpose/other/). Link previews, ad checks, dataset crawls, SEO tools and legacy tokens that fit none of the five purposes. User-agent string No exact string is published. What the operator or a third party says: User-Agent substring "Google-CloudVertexBot" robots.txt token `Google-CloudVertexBot` Matched case-insensitively (RFC 9309). The token and the user-agent string are different things. Respects robots.txt Yes, per operator Google: preferences addressed to Google-CloudVertexBot affect crawls requested by site owners for building Vertex AI Agents; no effect on Search. [Source](https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers), read 2026-11-04. Verification Reverse DNS Reverse-resolve the source address, then forward-resolve the name and require the same address. [Documentation](https://developers.google.com/crawling/docs/crawlers-fetchers/verify-google-requests), read 2026-11-04. IP ranges [developers.google.com/static/search/apis/ipranges/googlebot.json](https://developers.google.com/static/search/apis/ipranges/googlebot.json) Rate behaviour Crawls are requested by the site owner. Block rate **10.9%** of 5,938 top-10,000 sites with a parsed robots.txt disallow `Google-CloudVertexBot` at the root (645 sites). 7.1% name it; 3.8% refuse it only through a \* group. Rank 16 of 31 tokens measured. Across all 8,624 parsed robots.txt files in the crawl: 8.3% (5.5% named). Crawl of 2026-11-04; [report](https://agentreadycrawlers.com/block-rates/). Documentation [developers.google.com](https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers), read 2026-11-04. Note. Also matches the Googlebot token group per Google's table. ## Allow and refuse lines ### To allow Google-CloudVertexBot User-agent: Google-CloudVertexBot Allow: / ### To refuse Google-CloudVertexBot User-agent: Google-CloudVertexBot Disallow: / Refusing or allowing in robots.txt states a preference. Enforcement of a refusal belongs in your WAF; see how to verify the identity above. ## Google in the Verification Ledger Five IP lists, reverse DNS for every class, and an experimental key directory for Google-Agent. Nothing for auto browse in the user's Chrome. [All operators](https://agentreadycrawlers.com/verification/). IP lists - [developers.google.com/static/search/apis/ipranges/googlebot.json](https://developers.google.com/static/search/apis/ipranges/googlebot.json) - [developers.google.com/static/search/apis/ipranges/special-crawlers.json](https://developers.google.com/static/search/apis/ipranges/special-crawlers.json) - [developers.google.com/static/search/apis/ipranges/user-triggered-fetchers.json](https://developers.google.com/static/search/apis/ipranges/user-triggered-fetchers.json) - [developers.google.com/static/search/apis/ipranges/user-triggered-fetchers-google.json](https://developers.google.com/static/search/apis/ipranges/user-triggered-fetchers-google.json) - [developers.google.com/static/search/apis/ipranges/user-triggered-agents.json](https://developers.google.com/static/search/apis/ipranges/user-triggered-agents.json) Reverse DNS crawl-\*.googlebot.com, geo-crawl-\*.geo.googlebot.com, rate-limited-proxy-\*.google.com, \*.gae.googleusercontent.com, google-proxy-\*.google.com Key directory https://agent.bot.goog/.well-known/http-message-signatures-directory (Google-Agent, subset of requests, experimental) Cloudflare not checked Visa TAP registry no public operator-level registration found (checked 2026-11-04) Mastercard Agent Pay no public operator-level registration found (checked 2026-11-04) ## Other Google rows - [Googlebot](https://agentreadycrawlers.com/crawlers/googlebot/) Search index token Googlebot - [Google-Extended (control token)](https://agentreadycrawlers.com/crawlers/google-extended/) Training token Google-Extended - [GoogleOther](https://agentreadycrawlers.com/crawlers/googleother/) Other token GoogleOther - [Storebot-Google](https://agentreadycrawlers.com/crawlers/storebot-google/) Search index token Storebot-Google - [Google-Agent](https://agentreadycrawlers.com/crawlers/google-agent/) Task agent no token - [Gemini in Chrome (auto browse)](https://agentreadycrawlers.com/crawlers/gemini-in-chrome/) Task agent no token - [Google-GeminiNotebook (was Google-NotebookLM)](https://agentreadycrawlers.com/crawlers/google-gemininotebook/) Live answer fetch no token ## Sources - [Google common crawlers](https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers) read 2026-11-04 - [Verify requests from Google](https://developers.google.com/crawling/docs/crawlers-fetchers/verify-google-requests) read 2026-11-04 - [developers.google.com: googlebot (JSON)](https://developers.google.com/static/search/apis/ipranges/googlebot.json) read 2026-11-04 Last reviewed 2026-11-04