The Chrome extension has been officially removed from the Chrome Web Store (redirecting to /error with item not available) and is no longer available for download.
検証時点で chromewebstore.google.com が応答不能またはエラーを返しているため、直接リンクを停止しています。
AI生産性ツールカテゴリで現在稼働が確認されている代替候補です。

GPT Workspace is a Google Workspace extension that embeds leading AI assistants directly into Docs, Sheets, Slides, Gmail, Drive and Forms so you can write, analyze and automate without switching tabs.

AI Plus was a browser extension designed to enhance productivity by integrating ChatGPT v4 and assistant tools directly into the browser workflow. It provided quick information retrieval, content generation, and smart copilot features across web pages for researchers and professionals.
Since this browser extension is no longer available in the Web Store, check out the top-rated AI productivity extensions and browser copilots listed at the top of this page.
主要AIモデルとWeb自動化を1つにまとめたブラウザエージェント
ChatGPT などに向けたプロンプトライブラリと管理ツール
GPT Workspace is a Google Workspace extension that embeds leading AI assistants directly into Docs, Sheets, Slides, Gmail, Drive and Forms so you can write, analyze and automate without switching tabs.