In short, . Many users have struggled to find one. The official tools now require a login and a one-time password (OTP) that is difficult to obtain, often because the MSM tool is an internal, restricted tool that was leaked from OnePlus/Oppo servers. This means that for a standard user to use the MSM tool, they'd typically need to pay a third-party service that has access to these authorized flashes, which are often OTP-based.
Finding the correct MSM Tool and firmware package is the biggest challenge for OnePlus 10 Pro owners. Official public tools are rare, so your best bet is to search forums like XDA Developers. Use search terms such as "OnePlus 10 Pro MSM Download Tool" or "OnePlus 10 Pro EDL Firmware" to find community-shared resources. oneplus 10 pro msm tool
A tool designed to flash .ofp files directly through fastboot. In short,