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We built an internal AI system called Builderbot. It coordinates agents across our entire codebase. Engineers tag it in Slack, and it researches, plans, and ships. The story so far: - 200,000 operations per day. - 1,500 pull requests merged per week. - 15% of all production code changes across Block. What used to take months now takes days. How we built it: https://t.co/ixvmNK87Du
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