M365 Copilot Agent Store and Marketplace

Back in May 2025, it was announced that the Agent Store and Marketplace were under development.  As of October 2025, the Agent Store and Marketplace is now launched.  The Agent Store is a centralized location where agents built by Microsoft, partners and customers can be published.  All third-party agents go through rigorous validation process to meet enterprise security, compliance and performance standards.  Customers and also use the Agent Store as a distribution tool to make their own agents available to their end users.  IT admins have full control and governance over the Agents that are available in the Agent Store.

References:

https://www.microsoft.com/en-us/microsoft-cloud/blog/2025/09/25/empower-your-workforce-with-agents-in-microsoft-365-copilot/

https://devblogs.microsoft.com/microsoft365dev/introducing-the-agent-store-build-publish-and-discover-agents-in-microsoft-365-copilot/