jawwadfirdousi

supabase

"CRITICAL: Primary database layer for ALL persistent data operations. Invoke for any CRUD (Create, Read, Update, Delete) operation, data persistence, SQL queries, schema changes, vector/embedding search with pgvector, file storage, and table migrations. Triggers on: save, store, fetch, update, delete, query, database, records, tables, persist, embeddings, vector search, or any data requiring persistence beyond current session."

jawwadfirdousi 14 1 Updated 7mo ago

Resources

2
GitHub

Install

npx skillscat add jawwadfirdousi/agent-skills/supabase

Install via the SkillsCat registry.

About this skill

We need to produce a 2-3 sentence plain-text summary, objective, factual, no marketing, no superlatives, no calls to action. Must be at most 60 words. No quotes, no markdown, no bullet points, no headings. Just plain text. Summarize: The skill provides a Supabase CLI interface for executing SQL queries, schema changes, file storage, vector search, migrations, etc. It solves the need for a unified way to perform persistent data operations via Supabase. Use when an agent or developer needs to perform CRUD, schema changes, or any data persistence beyond the current session.

SKILL.md

Supabase CLI

Interact with Supabase projects: queries and schema management.
The script auto-loads .env.supabase.* files as needed.

Quick Commands

# SQL query (management API, returns results)
scripts/supabase.sh sql "SELECT * FROM users LIMIT 5"

# SQL file (management API)
scripts/supabase.sh sql-file ./migrations/001_init.sql

Commands Reference

sql - Run raw SQL via management API (returns results)

scripts/supabase.sh sql "<SQL>"

# Examples
scripts/supabase.sh sql "SELECT COUNT(*) FROM users"
scripts/supabase.sh sql "CREATE TABLE items (id serial primary key, name text)"
scripts/supabase.sh sql "SELECT * FROM users WHERE created_at > '2024-01-01'"
scripts/supabase.sh sql "INSERT INTO users (name, email) VALUES ('Alice', 'alice@test.com')"
scripts/supabase.sh sql "UPDATE users SET status = 'inactive' WHERE id = '123'"
scripts/supabase.sh sql "DELETE FROM sessions WHERE expires_at < now()"

sql-file - Run raw SQL from a file via management API

scripts/supabase.sh sql-file <path>

# Example
scripts/supabase.sh sql-file ./migrations/001_init.sql

Common Operations via sql/sql-file

DDL (schema changes)

# Create table
scripts/supabase.sh sql "CREATE TABLE public.items (id uuid PRIMARY KEY DEFAULT gen_random_uuid(), name text NOT NULL);"

# Alter table
scripts/supabase.sh sql "ALTER TABLE public.items ADD COLUMN created_at timestamptz NOT NULL DEFAULT now();"

# Drop table
scripts/supabase.sh sql "DROP TABLE public.items;"

# Enable extension
scripts/supabase.sh sql "CREATE EXTENSION IF NOT EXISTS vector;"

Views

scripts/supabase.sh sql "CREATE OR REPLACE VIEW public.active_items AS SELECT * FROM public.items WHERE deleted_at IS NULL;"

Functions / RPC

scripts/supabase.sh sql \"CREATE OR REPLACE FUNCTION public.ping() RETURNS text LANGUAGE sql AS $$ SELECT 'ok'::text; $$;\"
scripts/supabase.sh sql \"GRANT EXECUTE ON FUNCTION public.ping() TO authenticated;\"

Triggers

scripts/supabase.sh sql \"CREATE OR REPLACE FUNCTION public.set_updated_at() RETURNS trigger LANGUAGE plpgsql AS $$ BEGIN NEW.updated_at = now(); RETURN NEW; END; $$;\"
scripts/supabase.sh sql \"CREATE TRIGGER items_set_updated_at BEFORE UPDATE ON public.items FOR EACH ROW EXECUTE FUNCTION public.set_updated_at();\"

RLS (Row Level Security)

# Enable RLS
scripts/supabase.sh sql "ALTER TABLE public.items ENABLE ROW LEVEL SECURITY;"

# Example policy (owners can read)
scripts/supabase.sh sql \"CREATE POLICY \\\"items_read_own\\\" ON public.items FOR SELECT TO authenticated USING (owner_id = auth.uid());\"

# Example policy (owners can write)
scripts/supabase.sh sql \"CREATE POLICY \\\"items_write_own\\\" ON public.items FOR INSERT TO authenticated WITH CHECK (owner_id = auth.uid());\"

Storage Buckets (metadata only; file upload uses Storage API)

# Create bucket
scripts/supabase.sh sql \"INSERT INTO storage.buckets (id, name, public) VALUES ('payment-proofs', 'payment-proofs', false);\"

# Toggle public
scripts/supabase.sh sql \"UPDATE storage.buckets SET public = true WHERE id = 'payment-proofs';\"

# Delete bucket metadata (does not delete files)
scripts/supabase.sh sql \"DELETE FROM storage.buckets WHERE id = 'payment-proofs';\"

Storage RLS Policies

# Enable RLS (if not already enabled)
scripts/supabase.sh sql "ALTER TABLE storage.objects ENABLE ROW LEVEL SECURITY;"

# Allow authenticated users to read from a specific bucket
scripts/supabase.sh sql \"CREATE POLICY \\\"read_payment_proofs\\\" ON storage.objects FOR SELECT TO authenticated USING (bucket_id = 'payment-proofs');\"

# Allow authenticated users to upload to a specific bucket
scripts/supabase.sh sql \"CREATE POLICY \\\"write_payment_proofs\\\" ON storage.objects FOR INSERT TO authenticated WITH CHECK (bucket_id = 'payment-proofs');\"

Introspection / Debugging

# List public tables
scripts/supabase.sh sql \"SELECT table_name FROM information_schema.tables WHERE table_schema = 'public' ORDER BY table_name;\"

# List columns for a table
scripts/supabase.sh sql \"SELECT column_name, data_type, is_nullable, column_default FROM information_schema.columns WHERE table_schema = 'public' AND table_name = 'items' ORDER BY ordinal_position;\"

# Show policies
scripts/supabase.sh sql \"SELECT schemaname, tablename, policyname, roles, cmd, qual, with_check FROM pg_policies ORDER BY schemaname, tablename, policyname;\"

Notes

  • sql / sql-file run with management API privileges; treat like admin access