武大 OPAC 助手 is a Chrome add-on developed by kaien. It is a free tool that allows users to quickly search for keywords in the Wuhan University Library Online Public Access Catalog (OPAC) using the right-click menu.

With this add-on, users can simply highlight a keyword on any webpage, right-click, and select the "武大 OPAC 检索关键词" option to initiate a search in the Wuhan University Library OPAC. This saves users time and effort by eliminating the need to manually open the library catalog and enter the keyword for each search.

武大 OPAC 助手 is a convenient and efficient tool for Wuhan University students and researchers who frequently use the library's online catalog. It provides a seamless way to access the OPAC and retrieve relevant information without interrupting their browsing experience.