OPN OPN is a SaaS platform for managing and optimizing advertising campaigns. It's used by marketing teams and advertising agencies to streamline their workflow, track performance, and improve ROI. Official docs: https://developer.opn.ooo/ OPN Overview - Case - Case Note - Contact - Task - User - Organization Use action names and parameters as needed. Working with OPN This skill uses the Membrane CLI to interact with OPN. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration logic rather than auth plumbing. Install the CLI Install the Memb…