Non-web software with a user interface must meet the software versions of WCAG 2.1 guideline 3.1 (readable), split where needed between open functionality and functionality closed to assistive technology. Language of software (Table 11.10) for open functionality, 5.1.3.14 spoken languages when closed; language of parts is void for software.
This control maps to 1 controls across 1 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.
Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.
The graph holds this control, the 1 it maps to, and the evidence behind each claim, over MCP and REST.