Get an Outlook/Graph access token without registering an app in Azure AD
In the CLI tools & terminal space, owa-piggy takes a focused approach. It focuses on obtaining Outlook/Graph access tokens without needing to register an app in Azure AD. It is built as an open-source project for developers working with Microsoft Graph or Outlook APIs. owa-piggy is open source under the MIT license. It runs on the web and the command line.
It is developed by damsleth, and the product first shipped in 2026. Development happens publicly on GitHub with 149 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — owa-piggy occupies a relatively distinct niche. Key capabilities include access token retrieval, Microsoft Graph support, and outlook integration.
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