Extend Google Workspace apps with add-ons.
You can develop add-ons with Apps Script or your preferred hosting infrastructure, development tool chain, source control system, coding language, and code libraries.
Build with Apps Script
Anyone can use Apps Script to create powerful extensions in a web-based, low-code environment.
Build in any runtime
As an alternative to Apps Script, you can build an add-on in any coding language you want, as long as you can return properly formatted JSON for the interface to render as cards.
Support
Get help, file a bug, or request a feature.
Build AI-powered add-ons
Discover and try Google Workspace samples that help you get started with building AI features using AI models, agents, platforms, and more.
Gmail message analyzer
Build an add-on that analyzes and labels Gmail messages with Gemini and Vertex AI.
Travel Concierge agent
Build an AI agent add-on that integrates with ADK and Vertex AI Agent Engine.
AI concepts in Google Chat apps
Build eight minimalist Chat apps that integrate with fundamental AI concepts.
All samples
Explore add-on samples by featured Google products, language, sample type, and type.
Want to see Google Workspace add-ons in action?
The Google Workspace Developers channel offers videos about tips, tricks, and the latest features.
