The Addon will provide functionality to format or to get data from JSON messages. The code is based on JSON.net (http://www.newtonsoft.com/json) and is open source under the MIT license.
To use the AddOn, enable it via the settings (ALT-SHIFT-S). Examples are also provided in the examples zip file.
If you are interested in the use of JSON in the IT-Tool scripts, please read the manual and try the examples.