I built a more naive version for our team using Copilot and GitHub actions and it works quite well (wish I had metrics too). The team loves it.

The ROI here is so high that I don't mind using the strongest model available for the actual code review. I don't trust Sonnet and such. Just let Opus or GPT 5.5 do the whole thing and pay a bit more for less complexity.

do you also have separate prompts for each domain (security, architecture etc?).

would love to look into it if any part of it is open source

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