An embodiment includes a computational instance managing a managed network of computing devices, some communicating by proprietary protocol, and comprising a database storing representations of the computing devices and one or more sets of program logic configured to support the proprietary protocol, as well as one or more server devices configured to: receive, from an edge gateway software application, a request identifying a particular computing device on the managed network that communicates by the proprietary protocol; based on this request, select a set of the program logic configured to support the proprietary protocol; transmit a representation of the program logic, receipt of which is configured to cause the edge gateway software application to execute the set of program logic and obtain thereby configuration and state information from the particular computing device; receive, from the edge gateway software application, the configuration and state information; and store the configuration and state information.