Jennings: Block's BuilderBot autonomously builds features and merges PRs
Owen Jennings · How to Reorg After AI Changes Everything | Block's Owen Jennings on the a16z Show · Apr 1, 2026 · at 15:22
Owen Jennings, business lead at Block, describes Block's proprietary AI agent BuilderBot and its role in writing and shipping code autonomously.
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“We have internal tools that are similar to Claude Code, but they're, like, more plugged into our infrastructure, so we have a tool called BuilderBot. BuilderBot is just autonomously Merging PRs, and actually, like, building features to a hundred percent. We've had some fairly complex features that are built to a hundred percent. More often than not, it's building them to, like, 85 or 90%, and then a human who has a lot of context and understands does, like, the final 10%.”
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