This Split Merge tool provides capabilities to split or merge shards maintained by the elastic database client library for Azure SQL DB. The package includes a self-hosted cloud service to deploy within your subscription (including a sample Web front-end), and a .NET API for programmatic access to the feature. To learn more about elastic database tools, check out http://azure.microsoft.com/en-us/documentation/articles/sql-database-elastic-scale-documentation-map/.
$ dotnet add package Microsoft.Azure.SqlDatabase.ElasticScale.Service.SplitMergeNo README available.