server-extension
Domain: Jupyter Integration
🎯 Motivation
Code that runs inside the Jupyter server process to add HTTP endpoints or modify server behavior. Loaded at startup.
📋 Concrete Example
Add c.NotebookApp.server_extensions = ['mypkg.server_ext'] to jupyter_notebook_config.py to enable.
🔗 Analogy
A server extension is a kitchen renovation — it changes what the backend (kitchen) can serve to clients.