The GitHub Copilot extension for Teams Toolkit (@teamsapp) simplifies Teams app development and enables customization of Microsoft 365 Copilot with chat features. It support some key development scenarios that developers used to refer to many documents.

Prerequisites and Set-up

User is a member of GitHub
User is a part of organization with GitHub Copilot license

Installation, Sign-in & Auth

This copilot extension is in public preview.

• Sign into GitHub with the account you want to link.
• Click the Install button.
• Go through authorization flow.
• Use @teamsapp in the GitHub Copilot chat interface available in multiple locations, e.g., GitHub.com, Visual Studio Code, Visual Studio, etc.

Notes:

• If you've already logged into GitHub Copilot Chat in your IDE before, please restart the IDE after installation to enable the @teamsapp.

Use cases & example prompts to get you started

• Explore Teams app or Microsoft 365 Copilot agent development with prompts such as:
  “What types of apps can I build for Teams?”
  “How can I create a real-world Teams app?”
  “What’s the difference between declarative and custom agents?”

• Provide details about your intended Teams app or Microsoft 365 Copilot agent to get relevant sample or template to get started:
  “I want to create a ToDo Teams app.”
  “I want to build a Microsoft 365 Copilot agent.”

• Resolve issues encountered during Teams app or Microsoft 365 agent development.
  “My Teams app doesn’t sideload when debugging with Teams Toolkit.”
  “My tab app SSO is not working on mobile platform.”