Am I In Mercury?

There is a function in_mercury() that returns True when executed in the notebook which is served as web app in Mercury Server. It returns False when executed during the development of the notebook (in Jupyter Notebook, Jupyter Lab, VS Code, Google Colab, ...).

Example code

import mercury as mr
 
if mr.in_mercury():
    print("Web App")
else:
    print("Notebook")