supabase-usage

Manage Supabase database schemas, authentication, and Row Level Security policies.

2|Updated Mar 29, 2026
One-click install
npx skills add https://github.com/NagyVikt/codex-plugins --skill supabase-usage-nagyvikt
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: supabase-usage
Source: https://github.com/NagyVikt/codex-plugins/tree/main/plugins/supabase/skills/supabase-usage
Command: npx skills add https://github.com/NagyVikt/codex-plugins --skill supabase-usage-nagyvikt

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill resolves complexities in managing Supabase database schemas, authentication flows, and Row Level Security (RLS) policies, ensuring secure and performant data operations.

Core Features & Use Cases

  • Database Exploration: Quickly list tables, inspect schemas, and execute read-only SQL queries via MCP tools.
  • Security & Auth: Implement robust RLS policies and manage user sessions using proven patterns.
  • Query Optimization: Apply best practices for filtering, pagination, and table relationships to ensure efficient data retrieval.

Quick Start

Ask the assistant to list all tables in the database and provide the schema for the users table to begin your exploration.

Frequently Asked Questions about supabase-usage

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

FAQPage Schema
How do I implement Row Level Security policies in Supabase?

You implement Row Level Security policies in Supabase by writing SQL statements that define access rules evaluated directly within PostgreSQL. This approach secures data operations by enforcing user-based permissions at the database layer.

What is the best way to optimize Supabase database queries for pagination?

The best way to optimize Supabase database queries for pagination is to apply SQL best practices for filtering and table relationships. Structuring read-only queries with proper pagination logic ensures efficient data retrieval and minimizes performance bottlenecks.

How do I list all tables and inspect schemas in a Supabase database?

To list all tables and inspect schemas in a Supabase database, you execute read-only SQL queries via MCP tools. This database exploration method provides immediate visibility into your table structures and overall schema architecture.

Does Supabase support complex table relationships for production-grade backends?

Yes, Supabase supports complex table relationships for production-grade backends through PostgreSQL and SQL best practices. You architect secure data schemas by leveraging relational database capabilities to manage interconnected data structures effectively.

Why is my Supabase authentication flow experiencing performance bottlenecks?

Supabase authentication performance bottlenecks typically stem from inefficient database queries or suboptimal Row Level Security policies. Troubleshooting requires analyzing SQL execution patterns and refining schema design to ensure performant data retrieval.