Table of Contents Introduction Prerequisites Implementation Guide Creating Your Agent Configuring TypeSpec Files Setting Up Authentication Testing & Troubleshooting Conclusion References Introduction Following on my blog post Declarative Agents: Azure OpenAI API Key Auth with TypeSpec, I decided to try out how to authenticate to Ms Graph using sample Tasks Agent using TypeSpec for Microsoft 365 Copilot that connects to the Microsoft Graph APIs created by Sébatien Levert. Why This Matters: Copilot out of the box can not retrieve data from SharePoint List.