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Kangaroo mother care (KMC), including prolonged skin-to-skin contact (STS), is an important intervention for preterm and low birth weight (LBW) infants and their carers, with emerging evidence of dose-response relationships highlighting the need to accurately quantify STS/KMC exposure. However, evaluation and optimisation of STS/KMC are constrained by the lack of standardised, objective and scalable measurement approaches. Current methods rely on manual observation, clinical documentation or caregiver report and may provide incomplete or estimates and lack integration with digital health information systems. Digital technologies offer opportunities for more objective and continuous measurement, but relevant approaches have not yet been systematically mapped. This scoping review will identify and characterise existing and emerging digital technologies to measure, monitor, detect, record or quantify STS/KMC contact, focusing primarily on preterm/LBW infants and their carer. Published and unpublished evidence will be identified through systematic searches of scientific databases, preprint servers and grey literature, supplemented by contact with relevant digital health and medical device companies. Two reviewers will independently screen records against predefined eligibility criteria, with data extracted using a piloted tool. The primary outcome will be a structured narrative description of identified technologies, with focus on technological characteristics, measurement performance and clinical/health-system implementation considerations, informed by the NASSS framework. No meta-analysis is planned, and Joanna Briggs Institute guidance for scoping reviews will be followed. The review will identify promising technologies, evidence and measurement gaps, with identification of priorities for further validation and development. Ultimately this will inform the selection of objective, reliable, feasible and scalable methods for measuring STS/KMC dose in research, clinical practice and quality improvement programmes.