kapynDev Tools

How engineers at Nextdoor use Codex to build without limits

Nextdoor engineers leverage a private instance of Codex, powered by GPT-5.5, to accelerate development. This internal tooling allows them to tackle complex debugging, build cross-platform features, and dedicate more time to core product innovation by automating repetitive tasks.

OpenAI Blog·Jun 9, 2026

Opening Kapyn…