The answer
@czagents/shared
Top verified match: it matches your intent, it is the official vendor server, and it holds a strong verification score, corroborated across multiple registries.
fresh · published 61d ago · verified 2026-08-08tested · static-verifiedsigned passport ✓score 69/1001,891 monthly downloads
claude mcp add shared -- npx -y @czagents/shared