Open Code Review
Open Code Review is an AI-powered code review CLI tool. It originated as Alibaba Group's internal official AI code review assistant, over the past two years, it has served tens of thousands of developers and identified millions of code defects. After thorough validation at massive scale, we incubated it into an open source project for the community. Simply configure a model endpoint to get started.
It reads Git diffs, sends changed files to a configurable LLM via an agent with tool-use capabilities, and generates structured review comments with line-level precision. The agent can read full file contents, search the codebase, inspect other changed files for context, and produce deep reviews, not just surface-level diff feedback. Beyond diff review, ocr scan reviews entire files for auditing unfamiliar codebases or directories that have no meaningful diff.
Compared to general-purpose agents (Claude Code), Open Code Review achieves significantly higher Precision and F1 with the same underlying model, while consuming only ~1/9 of the tokens and completing reviews faster. Note that its Recall is lower than general-purpose agents, a deliberate trade-off favoring precision over noise.
View Open Code Review on GitHub
Open Code Review is an AI-powered code review CLI tool. It originated as Alibaba Group's internal official AI code review assistant, over the past two years, it has served tens of thousands of developers and identified millions of code defects. After thorough validation at massive scale, we incubated it into an open source project for the community. Simply configure a model endpoint to get started.
It reads Git diffs, sends changed files to a configurable LLM via an agent with tool-use capabilities, and generates structured review comments with line-level precision. The agent can read full file contents, search the codebase, inspect other changed files for context, and produce deep reviews, not just surface-level diff feedback. Beyond diff review, ocr scan reviews entire files for auditing unfamiliar codebases or directories that have no meaningful diff.
Compared to general-purpose agents (Claude Code), Open Code Review achieves significantly higher Precision and F1 with the same underlying model, while consuming only ~1/9 of the tokens and completing reviews faster. Note that its Recall is lower than general-purpose agents, a deliberate trade-off favoring precision over noise.
Open Code Review at a glance
| Stars | 42k |
|---|---|
| Forks | 3k |
| Language | Go |
| License | Apache-2.0 |
| Last update | 2026-09-29 |
| Contributors | 192 |
How to install Open Code Review
bash npm install -g @alibaba-group/open-code-review
Where Open Code Review is listed
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