Here is an alternate approach that produces a 'portable' data dictionary. Use a database to start the process, then script those extended properties to a SQL text file. THen you can reapply those properties to any database. Modify and rescript. The scripted file can be included in your version control system and tracked with the rest of your schema.

http://dnhlmssql.blogspot.com/2014/02/replace-data-types-magic-numbers-and.html