Web pages meet the WCAG 2.1 guideline 1.4 criteria at A and AA: no colour-only meaning, controllable audio, contrast for text and interface graphics, resizable text, real text instead of images, reflow at narrow widths, adjustable text spacing, and dismissible hover or focus content. India notes that spacing and fonts for Indian scripts must keep characters from running together.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.