Objective: Metacognitive training (MCT) for psychosis is a psychological intervention that blends cognitive behavioural therapy and psychoeducation. Several published systematic reviews and meta-analyses have provided robust evidence of its efficacy. However, patients' opinions regarding the intervention or their own perception of the changes achieved have been overlooked. This study synthesises the first-person reports of people with schizophrenia who completed MCT at the Hospital Del Salvador de Valparaiso. Methods: This study employed a qualitative methodology. Semi-structured interviews were conducted with patients who completed MCT. The interviews were reliably transcribed, and a content analysis was performed. Results: All the participants interviewed were positive about MCT, highlighting improvements in various aspects and emphasising factors that contributed to the changes achieved. Four main themes emerged from the analysis: Sowing the seeds of doubt; Significant changes in MCT attendees; Community formation; and What the MCT needs to improve. Conclusions: The results provide an in-depth report on MCT from the users' perspective and allow reflection on new outcomes to be studied in the future, with quantitative and qualitative methods.