Please contact me directly or respond on the list if you are interested in a session working with the container ontology, the server, and the API at the HARMONY meeting.
There are a number of things we could work on to improve the state of the ontology and also learn about its innards. Some examples:
pipso it is easier to install and use from Python code.
Other possibilities can be found in the issues on the GitHub repo: https://github.com/Bioprotocols/container-ontology/issues