MCB Library commenced its operation in 1990 at the Board's Headquarter in Wisma Muis, Kota Kinabalu, Sabah before moving to Wisma SEDCO in 2000.
Currently, there are five library branches : Pusat Penyelidikan Bioteknologi Koko (KKIP), Sabah, Pusat Penyelidikan dan Pembangunan Koko (Tawau),Sabah, Pusat Inovasi dan Teknologi Koko, (Nilai), Negeri Sembilan,Pusat Penyelidikan dan Pembangunan Koko (Bagan Datuk), Perak and Pusat Penyelidikan dan Pembangunan Koko (Jengka), Pahang. with all administrative matters are centered through the Headquarter's library. The branch library in CITC Nilai were fully operational. Most of the library's collections consist of research materials, article reprints, journals and government documents.The Library collections can be accessed through internet at website http://www.koko.gov.my (Online Services: Cocoa Information Center (e-PMK) or WebOPAC Search System in this portal.
Besides books and printed journals, MCB Library also subscribes to a few electronic databases to assist MCB's officers with their researches.