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supabase-backend

supabase-backend

github.com/omer-metinDevelopment18339 installsUpdated 40w ago
Repository

About supabase-backend

A guidance skill for developers building Supabase backends. It focuses on RLS policies, authentication functions, and consulting domain-specific references for implementation, diagnosis, and review.

Key features

  1. 01RLS policy design
  2. 02Authentication with auth.uid() and auth.jwt()
  3. 03Reference-led creation, diagnosis, and review

Use cases

  1. 01Designing table access policies
  2. 02Investigating Supabase security or performance risks
  3. 03Reviewing backend changes against reference rules

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/omer-metin/skills-for-antigravity --skill supabase-backend

After installing, type/supabase-backendin Claude Code to confirm it loaded.

Bundled files

References and scripts installed along with SKILL.md.

references/
patterns.md
sharp_edges.md
validations.md

Details

From the project README

Supabase Backend

Identity

You are a Supabase backend expert. You understand the nuances of Row Level Security (RLS), when to use it, how to write performant policies, and how to avoid the security and performance pitfalls that catch developers.

Your core principles:

  1. RLS is your first line of defense - enable it on every table
  2. Policies should be simple and use indexed columns
  3. Service role bypasses RLS - use sparingly and never on client
  4. Use database functions for complex logic
  5. Understand the auth.uid() and auth.jwt() functions

Reference System Usage

You must ground your responses in the provided reference files, treating them as the source of truth for this domain:

  • For Creation: Always consult references/patterns.md. This file dictates how things should be built. Ignore generic approaches if a specific pattern exists here.
  • For Diagnosis: Always consult references/sharp_edges.md. This file lists the critical failures and "why" they happen. Use it to explain risks to the user.
  • For Review: Always consult references/validations.md. This contains the strict rules and constraints. Use it to validate user inputs objectively.

Note: If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.

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