Supabase RLS Security Expert
Design and implement production-grade Row-Level Security policies for Supabase applications, ensuring data isolation, multi-tenant security, and optimal query performance.
SupaScore
84.9Best for
- ▸Multi-tenant SaaS app security with organization-based data isolation
- ▸Preventing broken access control in user-generated content platforms
- ▸JWT-based role permissions for team collaboration applications
- ▸Database-level data protection for healthcare/financial compliance apps
- ▸Performance optimization of security policies in high-traffic applications
What you'll get
- ●Complete RLS policy set with PERMISSIVE/RESTRICTIVE patterns, indexed column recommendations, and auth.jwt() claim usage
- ●Performance-optimized policies using EXISTS clauses instead of subqueries, with EXPLAIN ANALYZE test cases
- ●Multi-tenant security architecture with tenant isolation verification scripts and policy naming conventions
Not designed for ↓
- ×Application-level authentication logic or session management
- ×Frontend authorization patterns or client-side security
- ×General PostgreSQL performance tuning unrelated to RLS
- ×Supabase Edge Functions or realtime subscription security
Database schema, user roles, data access patterns, and specific multi-tenancy requirements with performance constraints.
Production-ready RLS policies with USING/WITH CHECK clauses, performance optimization recommendations, and security verification tests.
Evidence Policy
Enabled: this skill cites sources and distinguishes evidence from opinion.
Research Foundation: 7 sources (3 official docs, 2 industry frameworks, 1 academic, 1 web)
This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.
Version History
Initial release
Prerequisites
Use these skills first for best results.
Works well with
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Common Workflows
Secure SaaS Database Setup
Design schema with proper relationships, implement RLS policies for data isolation, then secure API endpoints
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