I Rebuilt Cloudflare's AI Code Review in a 250-Line Workflow

Cloudflare published a post on orchestrating AI code review at scale, and I could not stop thinking about it. They run up to seven specialized AI reviewers on every merge request — security, performance, code quality, docs — managed by a coordinator that deduplicates the findings and posts a single verdict. They have run it across 131,246 reviews in a month, the median review takes 3 minutes 39 seconds, and the average costs $1.19. The number that stuck with me was 1.2 findings per review. Most AI review tools drown you. Theirs is quiet on purpose. Their whole architecture is a plugin system around OpenCode, wired into GitLab CI, with Cloudflare Workers for the control plane. I have none of that. I have a laptop and Claude Code. But the shape of what they built — fan out specialists, verify, then have a coordinator judge — is exactly the shape Claude Code’s workflow feature was built for. So I rebuilt the idea as one ~250-line JavaScript file that runs against any repo on my machine.…