Alibaba open-sources Open Code Review, its internal AI code reviewer with 50K GitHub stars
techNmak · x · 2026-11-12
Alibaba has open-sourced Open Code Review, an AI-powered code review CLI tool battle-tested internally for two years across tens of thousands of developers, which identified millions of code defects. The repo has hit 50K GitHub stars and topped GitHub Trending for day, week, and month.
- Capabilities: reviews Git diffs, commits, and branch comparisons; full-file and repository scans via ocr scan; parallel review of related files; custom rules; line-precise review comments.
- Architecture: doesn't hand the whole pipeline to an LLM — regular code handles file selection, review rules, execution constraints, and comment positioning, while the agent handles code understanding, dependency investigation, and defect reasoning.
- Compatibility: supports Claude and OpenAI-compatible endpoints, works with Claude Code, Codex, Cursor, Kimi Code; cross-platform, Apache-2.0 licensed.
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