Techniques are described for managing and synchronizing media content information. In one example, a method includes receiving media content information that identifies media content of the first client device, and receiving update information that includes an indication of a modification of at least a portion of the media content from the first client device, the update information conforming to a first information protocol utilized by a media management software application of the first client device. The method may also include transforming the update information to conform to a second information protocol utilized by a media management software application of a second client device, and sending the transformed update information to the second client device, the transformed update information enabling the second media management software application of the second client device to update media content of the second client device.