Composure
Composure Pro

22 Architecture Patterns
for Supabase Multi-Tenancy

Production-tested patterns that prevent data isolation bugs, enforce tenant boundaries, and keep your schema consistent as your app grows.

Get Pro Patterns — $39

One-time purchase. No subscription.

Catches mistakes before they ship

terminal
$/composure-pro:validate-migration 20260401_add_invoices.sql$[BLOCK] Line 3: Missing tenant_id column$  → Multi-tenant tables MUST include tenant_id for RLS isolation$  Fix: ALTER TABLE invoices ADD COLUMN tenant_id uuid REFERENCES accounts(id);$[BLOCK] Line 7: Boolean status column detected$  → Use enum types instead of booleans for status tracking$  Fix: CREATE TYPE invoice_status AS ENUM ('draft','sent','paid','void');$[WARN] Line 12: Missing updated_at trigger$  → Tables should use set_updated_at() for audit trails$2 blocks, 1 warning. Fix blocks before applying migration.

Schema Guard Hook

Runs on every migration file you write. Catches missing tenant columns, inline roles, boolean statuses, and RLS gaps — before they reach the database.

Migration Auditing

5 hard-block rules and 5 warnings. Line numbers, fix suggestions, and code examples for every violation. No more data isolation bugs shipping to production.

Entity Registry Pattern

A unified domain model that keeps your entities consistent, tenant-scoped, and properly connected as your schema grows.

All 22 Patterns

Entity Registry
ID Prefix Convention
Role-Based Privacy
Tenant Isolation (RLS)
Foundation Functions
Enum & Type Registry
Account Hierarchy
User-Account Binding
Contact Management
Business Entities
Session Management
Device Authorization
Document Storage
Inbox Threading
Event Tracking
Timecard System
Notes & Annotations
Workflow Engine
Broadcast System
AI System Integration
Realtime Publications
Commercial Documents

Who it's for

Individual developers shipping multi-tenant apps on Supabase. If you're not building multi-tenant SaaS, you don't need it — the free plugins cover everything else.

$39. Once. Forever.

Other tools charge $15-25/month per developer. Pro is a one-time purchase.

Get Pro Patterns — $39