Is your feature request related to a problem? Please describe.
I can't see the full URL of my MCP server because the left sidebar is too narrow and not resizable, AFAICT.

Describe the solution you'd like
Make it possible to drag the divider to make the pane larger

Describe alternatives you've considered
Living with it and the eternal sadness it would bring.

Additional context
Add any other context or screenshots about the feature request here.