Show HN: Typebase – A single-folder back end you write in TypeScript

2026-08-26 | original

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Why This Matters

Typebase offers a TypeScript-based backend solution that addresses the limitations of traditional RLS, providing better type safety and more controlled access policies. This innovation enhances security and maintainability for developers building data-driven applications, making backend development more reliable and less error-prone. It signifies a shift towards more integrated and type-safe backend development practices in the tech industry.

Key Takeaways

Typebase uses TypeScript for backend development, improving type safety.
It mitigates issues with implicit RLS policies that can be overly permissive.
The approach enhances security and reduces errors compared to traditional SQL-based access controls.

The problem

with RLS

RLS is implicit and lives in a SQL dialect your editor doesn’t typecheck. One UPDATE policy gives write access to every column, including the ones you add tomorrow. The overly permissive clause an agent slipped in at 2am sails through review, because no compiler is going to flag it.

vs.

Explore topics: typebase rls typescript sql back end