The answer
square
Top verified match: it matches your intent, it is the official vendor server, and it holds a strong verification score.
fresh · published 48d ago · verified 2026-08-08tested · static-verifiedsigned passport ✓score 81/1001,073,256 monthly downloads
claude mcp add square -- npx -y square
Runners-up
- io.github.Red-Square-Software/keeping-mcp41/100 · weaker match
- Square Model Context Protocol Servernot yet verified20/100 · weaker match