Use this skill when working with the CliftonSites Supabase backend for any task including understanding database schemas, debugging issues, adding features, querying data, managing RPC functions, reviewing triggers/policies, working with the automation pipeline, security architecture (MFA authentication, RLS, SECURITY DEFINER functions, API route protection), or any database operation. Provides complete expertise on all 12 tables, 25 RPC functions, 5 triggers, RLS policies, SECURITY DEFINER functions, admin MFA authentication, internal API token validation, views, indexes, data flows, and Supabase MCP server operations.