supabase-upgrade-migration

Upgrade Supabase SDK and CLI versions with breaking-change detection and automated code migration. Use when upgrading @supabase/supabase-js (v1→v2 or minor bumps), migrating auth/realtime/storage APIs, or updating the Supabase CLI. Trigger with phrases like "upgrade supabase", "supabase breaking changes", "migrate supabase v2", "update supabase SDK".

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Repository: jeremylongshore/claude-code-plugins-plus-skills
Last source activity: July 19, 2026 at 02:55
Detected SKILL.md language: English
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name	supabase-upgrade-migration
description	Upgrade Supabase SDK and CLI versions with breaking-change detection and automated code migration. Use when upgrading @supabase/supabase-js (v1→v2 or minor bumps), migrating auth/realtime/storage APIs, or updating the Supabase CLI. Trigger with phrases like "upgrade supabase", "supabase breaking changes", "migrate supabase v2", "update supabase SDK".
allowed-tools	Read, Write, Edit, Bash(npm:), Bash(npx:), Bash(pip:), Bash(supabase:), Bash(git:*), Grep, Glob
version	1.53.0
license	MIT
author	Jeremy Longshore <jeremy@intentsolutions.io>
tags	["saas","supabase","migration","upgrade","sdk"]
compatibility	Designed for Claude Code, also compatible with Codex and OpenClaw

Supabase Upgrade Migration

Overview

Upgrade @supabase/supabase-js and the Supabase CLI with breaking-change detection, automated code migration, and rollback planning. Covers the v1-to-v2 migration path (auth method renames, data/error destructuring, realtime API overhaul), minor version bumps, @supabase/ssr adoption, and Python SDK upgrades via pip install --upgrade supabase.

Current State

!npm list @supabase/supabase-js 2>/dev/null | grep supabase || echo 'supabase-js not installed' !supabase --version 2>/dev/null || echo 'CLI not installed' !pip show supabase 2>/dev/null | grep Version || echo 'Python SDK not installed'

Prerequisites

@supabase/supabase-js or the Python supabase package installed in the project
Git with a clean working tree (no uncommitted changes)
Test suite available for post-upgrade verification
Node.js >= 18 (for supabase-js v2) or Python >= 3.8 (for Python SDK)

Instructions

Step 1: Audit Versions, Scan Usage, and Review Breaking Changes

Check every installed Supabase package and find all import sites in the codebase.

# Check current SDK version
npm list @supabase/supabase-js

# Check CLI version
supabase --version

# Check Python SDK version
pip show supabase | grep Version

# Find all JS/TS Supabase imports
grep -rn "from '@supabase/supabase-js'" --include="*.ts" --include="*.tsx" --include="*.js" src/ lib/ app/ 2>/dev/null
grep -rn "createClient" --include="*.ts" --include="*.tsx" --include="*.js" src/ lib/ app/ 2>/dev/null

# Find all Python Supabase imports
grep -rn "from supabase" --include="*.py" src/ app/ 2>/dev/null

supabase-js v1 → v2 breaking changes:

v1 Pattern

`createClient(url, key)`	`createClient(url, key)`	Signature unchanged, but return type differs
`supabase.auth.session()`	`supabase.auth.getSession()`	Sync → async, returns `{ data: { session } }`
`supabase.auth.user()`	`supabase.auth.getUser()`	Sync → async, returns `{ data: { user } }`
`supabase.auth.signIn({ email, password })`	`supabase.auth.signInWithPassword({ email, password })`	Method split by auth type
`supabase.auth.signIn({ provider: 'google' })`	`supabase.auth.signInWithOAuth({ provider: 'google' })`	OAuth separated
`supabase.auth.signIn({ email })`	`supabase.auth.signInWithOtp({ email })`	Magic link separated
`supabase.auth.api.resetPasswordForEmail(e)`	`supabase.auth.resetPasswordForEmail(e)`	`.api` namespace removed
`{ data: subscription }` from `onAuthStateChange`	`{ data: { subscription } }`	Extra destructuring level
`error.message` string parsing	`error.code` enum (`PGRST116`, etc.)	Reliable error matching
`.single()` returns error on 0 rows	`.maybeSingle()` for optional rows	New method for nullable results
`supabase.from('t').on('INSERT', cb).subscribe()`	`supabase.channel('c').on('postgres_changes', ...).subscribe()`	Realtime v2 channel API
`supabase.storage.from('b').download('path')`	Same, but returns `{ data: Blob, error }`	Consistent error/data tuple

Error	Cause	Solution
`Property 'session' does not exist`	v1 sync `.session()` removed in v2	Replace with `await supabase.auth.getSession()`
`Property 'signIn' does not exist`	`signIn` split into multiple methods in v2	Use `signInWithPassword`, `signInWithOAuth`, or `signInWithOtp`
`supabase.auth.api` is undefined	`.api` namespace removed in v2	Call methods directly on `supabase.auth.*`
`TypeError: supabase.from(...).on is not a function`	Realtime API replaced in v2	Use `supabase.channel().on('postgres_changes', ...)`
Type errors after `gen types`	Database schema changed between versions	Update application code to match new generated types
`PGRST116` error on `.single()`	Zero rows returned (v2 throws)	Use `.maybeSingle()` for optional lookups
`ERR_REQUIRE_ESM` after upgrade	v2 is ESM-only in some bundlers	Update `tsconfig.json` to `"module": "esnext"` or use dynamic `import()`
`AuthSessionMissingError`	`getSession()` called before auth initialized	Wrap in `onAuthStateChange` listener or check `session !== null`

supabase-upgrade-migration

Install options

Review the source files

Supabase Upgrade Migration

Overview

Current State

Prerequisites

Instructions

Step 1: Audit Versions, Scan Usage, and Review Breaking Changes

Supabase Upgrade Migration

Overview

Current State

Prerequisites

Instructions

Step 1: Audit Versions, Scan Usage, and Review Breaking Changes

Step 2: Run the Upgrade and Apply Code Migrations

Step 3: Verify, Test, and Prepare Rollback

Output

Error Handling

Examples

Resources

Next Steps

supabase-upgrade-migration

Source facts

Install options

Review the source files

More from this repository

Supabase Upgrade Migration

Overview

Current State

Prerequisites

Instructions

Step 1: Audit Versions, Scan Usage, and Review Breaking Changes

Supabase Upgrade Migration

Overview

Current State

Prerequisites

Instructions

Step 1: Audit Versions, Scan Usage, and Review Breaking Changes

Step 2: Run the Upgrade and Apply Code Migrations

Step 3: Verify, Test, and Prepare Rollback

Output

Error Handling

Examples

Resources

Next Steps

More from this repository