Claude Code Just Got a Serious Code Review Feature
TL;DR Claude Code’s new Code Review feature dispatches multiple AI agents in parallel to review a PR from different angles, rather than running a single shallow model pass over the diff The motivation is real: Anthropic’s internal code output per engineer increased by around 200%, making human review the bottleneck - and humans consistently miss subtle bugs on large diffs Multi-agent review cross-checks findings, filters false positives, and ranks issues by severity before posting a clean, high-signal review comment plus inline annotations Review depth scales with PR size; typical runs take about 20 minutes and cost $15 - $25, which is cheap compared to the cost of a production bug Humans still approve PRs - the tool’s role is a thorough pre-review pass, not automated sign-off, making it a complement to human judgment rather than a replacement I genuinely think a lot of people still underestimate how fast the AI developer tooling ecosystem is evolving. ...