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On October 26, 2026, Shao Meng published an article summarizing the code review practices of the Claude Code team. The article states that, against the backdrop of Claude writing about ninety percent of the code and a sharp increase in change volume, the team did not abolish review; instead, it broke the quality problem down into "where things might break, and which layer—automated or human—catches it," forming six layers of checks: pre-PR validation, AI review, security review, blocking automation, risk-scaled human approval, and a merge queue, with rapid rollback as the safety net. The figures cited in the article are: from June to September, the number of merged PRs in the Claude Code repository more than doubled, the share requiring revert fell by more than 40%, and the share of internal PRs with "substantive comments" rose from about 16% to 54%. The article also lists transferable practices such as CLAUDE.md, REVIEW.md, and limiting rounds to reviewing only the new diff. At present, this summary appears only in Shao Meng's single source, with no other independent reporting or official materials cross-verifying it.
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Shao Meng
How the Claude Code team does Code Review: six layers of checks and fast rollback
The Claude Code team, under the premise that Claude writes about 90% of the code and the volume of changes has surged, did not cancel review; instead, they reframed the quality problem as "where things might break, and which layer—automated or human—catches it," forming six layers of checks: pre-PR validation, AI review, security review, blocking automation, risk-scaled human approval, and merge queue, with fast rollback as the safety net. From June to September, the number of merged PRs in the Claude Code repository more than doubled, while the share requiring revert dropped by more than 40%; internally, the share of PRs with "substantive comments" rose from about 16% to 54%. The article also offers transferable practices such as CLAUDE.md, REVIEW.md, and limiting rounds to reviewing only the new diff.
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