An extension for IntelliJ based IDEs (DataGrip IDE, Rider etc.) for generation POCO (C#) classes from a database.
Copy Generate POCO.groovy file to IDE -> Files -> Scratches and Consoles -> Extensions -> Database Tools and SQL -> schema.
For interfaces generations you can use Generate IPOCOs.groovy.
Right click on any table(s) Scripted Extension -> Generate POCO.groovy.