I'm interested in setting up some location based check via the HTTP agent.

It would be great if we could use the {INVENTORY.SITE.*} macros for this instead of having to replicate them into usermacros.

Another use could be to use query a CMDB for info on the serialnumber that was stored in inventory to update other. These could then be used through dependent items to populate other the inventory fields with info from the CMDB.

There are a lot of other use cases as well. Allowing inventory macros here would allow for a whole lot of new integrations.