Hi
@Dimitris Stafylarakis! You're correct that you cannot currently supply config to assets, but this is something we hope to add support for soon. We do currently allow you to supply config for resources used in a graph of assets, so you could use something like
make_values_resource to do a similar thing as op config. You'll need to go to the launchpad view to input this config (you won't be able to specify it from the asset view), but this might work as a stopgap until we provide more fully-featured support for config