Ok, go for it. But why bring it up here? It has been done over and over and maybe some of those will be a framework for your little toy. You can access their API's and play around and then go for writing the framework your self and go to town. DO not expect that anyone here will use your, as it is unproven and there are more than 50 other options.
I don't want to make something to sell and i don't want to make people use it. Just something for personal use that suits my strategies for trading