If you have been working with Windows Identity Foundation in the past, you may have known about the Identity and Access Tool that was available with Visual Studio 2012 (that was previously available through the Windows Identity Foundation SDK in Visual Studio 2010). You could download the Identity and Access Tool from Visual Studio Gallery here: https://visualstudiogallery.msdn.microsoft.com/e21bf653-dfe1-4d81-b3d3-795cb104066e
However, if you check Visual Studio Gallery, you will notice that there is no update for the Identity and Access Tool for Visual Studio 2013 even though several features/functionality are missing in the Visual Studio 2013 release that were previously available through the Identity and Access Tool extension.
According to another article, Microsoft is aware of the deficiencies in Visual Studio 2013: http://bartwullems.blogspot.com/2013/11/visual-studio-2013-where-is-identity.html
Therefore, if you are continuing to develop with Identity-based solutions that require Claims authentication, for the time being, you are forced to use Visual Studio 2012.
In addition, you can vote for this UserVoice item so that hopefully Microsoft includes this functionality in a future release of the Visual Studio IDE: