Thank @fomightez . Let me take a look at the solutions you mentioned. Regarding what parts of jupyterlab i want to keep is ability to run notebook/cell on different kernels. What i was looking for how does the frontend talk to the jupyter server as those APIs are not documented anywhere AFAIK. Also when i tried to capture the APIs using the development tools while browsing over notebook buttons, it didnt provide any details, making me thing if the frontend talks to the server over websocket.