Prolific Assistant is a Firefox extension that enhances the user experience for those participating in studies on Prolific.com. This subscription-based tool continuously monitors the website for new study opportunities and sends notifications directly to the user. Key features include desktop alerts for each new study, an icon that displays the number of available studies, and the last check time, ensuring users never miss an opportunity.

Users can customize their experience with adjustable settings, including the check interval to determine how frequently the extension searches for new studies, and alert sounds with various volume levels. Permissions required for the extension include reading data on Prolific.com and accessing browser history to facilitate easy navigation. Overall, Prolific Assistant streamlines the process of finding studies, making it a valuable tool for active participants.