Mainstay Mainstay is a client portal software that helps businesses manage client interactions and projects. It's used by agencies, consultants, and other service providers to streamline communication, share files, and track progress. Official docs: https://docs.mainstay.xyz/ Mainstay Overview - Client - Project - Task - Time Entry - Invoice Use action names and parameters as needed. Working with Mainstay This skill uses the Membrane CLI to interact with Mainstay. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration logic rather than auth…