MySky: Open, Controllable Feed Infrastructure for the Atmosphere (atproto.com)

MySky, formerly known as GreenEarth, has launched an open-source feed infrastructure aimed at democratizing personalized recommendation systems for social media. While platforms typically control users' information feeds, MySky empowers users and developers to create and customize their algorithms on Bluesky. With over 60,000 daily active users, it provides an intuitive interface that allows users to see and control every stage of the ranking process, from candidate selection to post scoring, fostering transparency and user agency in their information environment. This initiative is significant for the AI/ML community as it offers a customizable architecture for algorithmic social recommendation that can compete with major platforms. MySky employs a multi-stage system that includes candidate generators, signal generators, scoring mechanisms, and diversification algorithms—each of which can be modified to suit specific needs. Furthermore, it invites open research opportunities, aiming to explore user engagement and algorithmic impact collaboratively. By making these processes visible and adjustable, MySky not only seeks to enhance user experience but also to contribute to the discourse on responsible AI practices in social media.