Bone metastasis presents a significant health challenge, often inadequately addressed by traditional imaging methods. BoneOscopy aims to bridge this gap by enabling daily monitoring of tumors during treatment. Utilising spectroscopy analysis, BoneOscopy assesses bone density and calcium content without additional radiation exposure, delivering personalised and precise data that support informed treatment decisions. This innovative approach holds the potential to revolutionise metastatic bone cancer treatment, introducing a new era of precision and personalisation in therapy.