This study explores the impact of social media on academic libraries, focusing on librarians’ agility and relationship quality. It collected quantitative data from 30 librarians at Tun Abdul Razak Library using an online survey. The study’s objectives included measuring social media capability, assessing its influence on librarian’s agility and relationship quality, and examining how library policies moderate the relationship librarians’ agility and relationship quality with users. The findings indicate that respondents had a high level of social media capability, which positively influenced both librarians’ agility and relationship quality with users.