$ brew install protobuf protobuf-swift grpc grpc-swift
$ make install

$ make build

Start the server. This will block your terminal, so you might want to run this in a separate shell:

$ ./macbridge/.build/debug/macbridge

The first time you execute this script it will ask you to allow this program to control the computer using accessibility APIs. After you enable this option, start the program again.

Before you run the tests, make sure the mac/web app will ask for credentials (sign out from all workspaces). The tests are very simple and don't check for every possibility:

$ make tests SKETCH_USERNAME=... SKETCH_PASSWORD=...