How to Use Supabase in a Vibe-Coded Mobile App
Learn how to combine Supabase authentication, database rules, and storage with an AI-assisted mobile app workflow while keeping security and data ownership clear.
Start with the data model
Before asking an agent to build screens, describe the entities and relationships. Decide which records belong to a user, which fields are required, and what should happen when a record is deleted. A simple data model prevents the UI from becoming a collection of disconnected temporary states.
Treat Row Level Security as part of the feature
Never rely on the mobile client to hide another user’s data. Use Row Level Security policies so the database enforces ownership. Ask Codex, Claude Code, or another agent to explain every policy in plain language and add tests for both allowed and denied access.
Keep keys and roles separate
The public client key can be used in the app when configured correctly, but service-role keys belong only on trusted servers. Never paste secrets into prompts, commit them to the repository, or embed them in a mobile binary.
Build one end-to-end flow
Start with sign-up, sign-in, one user-owned table, and one screen that creates and reads records. This exposes the important integration details early: session refresh, loading states, authorization, and offline behavior.
Use the AI agent as a reviewer
Ask the agent to review migrations, policies, indexes, and error handling separately from the UI. Backend correctness is not guaranteed because the screen looks polished.
Supabase reduces backend setup, while a mobile boilerplate reduces client setup. Together they give a vibe-coding workflow more time for product discovery and less time lost in repetitive configuration.