As artificial intelligence transforms the global diplomatic landscape, foreign ministries (MFAs) are undergoing significant institutional adaptation to remain agile, relevant, and sovereign in a technopolar world. This chapter explores how states are integrating cognitive diplomacy into the core of foreign policy by reshaping diplomatic training, structures, and cultures. It highlights emerging practices such as AI and digital literacy programs, the establishment of innovation units and data science teams, and the creation of new diplomatic roles like tech ambassadors and digital attachés. These reforms reflect a strategic shift: from analog institutions toward digitally native organizations capable of operating across hybrid physical-digital environments. The chapter also emphasizes the modernization of infrastructure and recruitment practices, calling attention to the growing demand for interdisciplinary teams that combine technical fluency with diplomatic acumen. Importantly, these changes address not only operational needs but also ethical imperatives, including accountability, transparency, and informational sovereignty. By embedding AI capacity, fostering ethical reflexivity, and promoting inclusive innovation, states are developing the institutional backbone necessary to implement cognitive diplomacy at scale. In doing so, they position themselves to influence global AI governance, enhance strategic presence, and safeguard autonomy in a fragmented, algorithmically mediated international order.