$ git clone git://github.com/oleavr/xpc-explorer.git
$ cd xpc-explorer/
$ npm install
$ node dist/bin/xpc-explorer.js -R -n remoted
To continuously recompile on change, keep this running in a terminal:
$ npm run app:watch
Plus another terminal with:
$ npm run agent:watch
And use an editor like Visual Studio Code for code completion and instant type-checking feedback.