defensive-rls-defense

Harden Supabase Row-Level Security policies to prevent cross-tenant data leakage.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/RideMatch1/a.e.g.i.s --skill defensive-rls-defense
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: defensive-rls-defense
Source: https://github.com/RideMatch1/a.e.g.i.s/tree/main/packages/skills/skills/defensive/aegis-native/rls-defense
Command: npx skills add https://github.com/RideMatch1/a.e.g.i.s --skill defensive-rls-defense

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Supabase Row-Level Security (RLS) hardening prevents cross-tenant data leakage and misconfigurations by providing robust policy design, isolation patterns, and defensive defaults across schemas.

Core Features & Use Cases

  • RLS policy design and enforcement across multi-tenant schemas
  • RPC security patterns and defense against common misconfigurations
  • Incident response guidance and regression-test-oriented practices for auditing

Quick Start

Assess your current RLS setup and apply the recommended patterns to enforce tenant isolation.

Frequently Asked Questions about defensive-rls-defense

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent cross-tenant data leakage in Supabase RLS policies?

Cross-tenant data leakage in Supabase RLS is prevented by applying robust policy design patterns and defensive defaults that enforce strict tenant isolation across multi-tenant schemas. This approach ensures concrete access controls and minimizes misconfigurations.

What is the best way to harden Supabase Row-Level Security for multi-tenant schemas?

Hardening Supabase Row-Level Security for multi-tenant schemas requires enforcing RLS enablement, applying comprehensive policy coverage, and establishing regression tests. This approach secures RPC patterns and ensures robust access controls across projects.

How do I secure Supabase RPC functions against RLS misconfigurations?

Securing Supabase RPC functions against RLS misconfigurations involves applying specific defense patterns that enforce access controls. This protects multi-tenant schemas by ensuring the RPC security aligns with broader Row-Level Security policy designs.

Do I need regression tests for Supabase RLS policy audits?

Yes, regression tests are required for Supabase RLS policy audits. Regression-test-oriented practices validate policy coverage and confirm that access controls remain effective, providing incident response readiness and preventing data leakage.

How do I audit existing Supabase RLS policies for tenant isolation?

Auditing existing Supabase RLS policies for tenant isolation involves assessing your current setup and applying recommended design patterns. This process enforces concrete requirements for RLS enablement and verifies policy coverage across schemas.

Why does my Supabase RLS policy still expose cross-tenant data?

Your Supabase RLS policy may expose cross-tenant data due to misconfigurations in policy design or insufficient coverage. Hardening Row-Level Security with defensive defaults and robust access controls eliminates these common leakage vulnerabilities.