Avoiding credential leaks between ai agents – does Latenode's JS encapsulation work?

I’m setting up a multi-agent system that handles customer support tickets, but I’m paranoid about API keys getting exposed between agents. I read that Latenode’s JavaScript integration allows variable encapsulation. Has anyone actually implemented private variables using closures in their workflows? How reliable is this for securing credentials long-term when agents interact frequently?

Yes - use closure patterns in the JS editor to sandbox credentials. I built a support system where the email agent accesses SMTP credentials via a self-executing function that’s never exposed to other agents. Works across 15+ workflows. Full isolation and zero leaks for 8 months now.

I created a wrapper function that initializes all sensitive variables in a separate scope. Make sure to test variable accessibility by deliberately trying to log them from outside the closure during development. Use Latenode’s debug mode to verify encapsulation – if values show as ‘undefined’ in other nodes, you’re good.

closures work but remeber to test with actual error scenarios. i once forgot to bind the context propery and had a leak. took hours to spot