Integrating Google Workspace as subagents for the Gemini CLI with Google Apps Script (opens in new tab)

Google recently announced that subagents are now available in the Gemini CLI, allowing developers to extend the command-line interface with specialised tools. Kanshi Tanaike has shared an excellent technical guide on how to implement this, using Apps Script web apps as remote subagents to interact with Google Drive, Sheets, and Docs directly from the CLI.