News from 2026-08-19
Google retires the Google-NotebookLM user agent
In short
19 August 2026: Google retires the Google-NotebookLM user agent. The page, last updated 2026-08-19, also lists Google-Agent and its experimental Web Bot Auth identity. Google-GeminiNotebook is Google's live answer fetcher. Google-Agent is Google's browsing agent. Rows affected in this site: Google-GeminiNotebook and Google-Agent.
Google's user-triggered fetcher list now names Google-GeminiNotebook for URLs users add as sources and marks the former Google-NotebookLM string as supported until August 2026. The page, last updated 2026-08-19, also lists Google-Agent and its experimental Web Bot Auth identity.
Primary source developers.google.com/crawling/docs/crawlers-fetchers/google-user-triggered-fetchers, read 2026-11-04.
Where it stands in the Index
- Google-GeminiNotebook
- Google, live answer fetch. No robots.txt token. Verification: ip list.
- Google-Agent
- Google, task agent. No robots.txt token. Verification: web bot auth.
Sources
Last reviewed 2026-11-04