Solved
How do we add a tool chain to STM32CubeMX/IDE? For instance SW4STM32?
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Hi @ESala.1
When you create an STM32 project from the CubeIDE you can only use STM32CubeIDE as Toolchain/IDE (you will notice that only CubeIDE exists and that it is greyed out).

Otherwise, if you create a new .ioc from STM32CubeMX you can choose the IDE that suits your needs.

Best regards,
Nesrine
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