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Review practice · 9th August 2026

Preloop + OpenRouter on PR commits

Alex Lennon · @embedded_iot

A separate PR review plane can catch semantic misses before expensive CI without becoming merge authority.

Illustrated title card for Preloop + OpenRouter on PR commits

Desktop Preloop is one plane: tool policy and audit under Cursor’s human gates. The PR plane is different — and more useful when CI is scarce.

On product repos I wire a Preloop Cloud pull-request reviewer. OpenRouter is how that reviewer reaches models. Each push gets a GitHub commit status under context `preloop`. Actions can wait on that status before self-hosted jobs start, or leave the review async when I only want the signal.

It is not merge authority. It is not unit tests. It is shift-left: catch the semantic miss before the runner eats the afternoon. Keys stay vaulted. Humans still merge.