After about a year of working on and off with DynamoDB, the team had been limping along with the Eclipse plugin, which helps, but is missing quite a few features. I was looking for an easy way to create Local Secondary Index and I stumbled upon the (not so) hidden javascript web shell, which solved my problem.

If you're already running DynamoDB from command line, you can attach the javascript web shell to to the existing instance by simply pulling up the url of the tool:

And thats it! Have a look:

List of pre-baked API templates you can take advantage of:

Example Create Table API