Hacker ApprovedDepartments

Alibaba Open-Code-Review

Hacker Approved

Ranked 8 of 17 code review tools by recommenders

Open-source multi-agent code review tool people find useful for catching issues early, especially AI-written code. Critics note many false positives and hard-to-read rule files.

Open-source multi-agent code review tool people find useful for catching issues early, especially AI-written code. Critics note many false positives and hard-to-read rule files.

15 people gave an opinion

recommend it
13
criticize it
2
approval share
87%
Each figure is one person. RecommendsCriticizes

Recommended in 4 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 13 people recommend itNeeds 10 or more, met.
  • 6.5 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 4 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Useful in everyday use

    “We've been dogfooding this for about a year now and we've seen as much as 70% time savings using OCR”

    Comment from 16 Jun 2026 on Hacker News

    “genuinely useful – not as a replacement for human review, but as a way to catch things earlier”

    Comment from 29 Jan 2026 in “Forget CodeRabbit Meet Open Code Review, Open Source Multi-Agent Code Review”

    “I have good experience with using open-code-review”

    Comment from 10 Jul 2026 in “Write code like a human will maintain it”
  • Catches many real issues

    “genuinely useful – not as a replacement for human review, but as a way to catch things earlier”

    Comment from 29 Jan 2026 in “Forget CodeRabbit Meet Open Code Review, Open Source Multi-Agent Code Review”

    “very good recall (~74%, e.g. found a lot of the golden issues)”

    Comment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

Other code review tools people recommend

The four most recommended other code review tools, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Alibaba Open-Code-Review compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
GitHub Stacked PRs646350%3——
Gerrit601283%12—Approved
Graphite code review521676%9—Approved
CodeRabbit343252%11——
Alibaba Open-Code-ReviewThis page13287%4—Approved
See all 17 code review tools, ranked

What people said

16 of the 18 comments that mention it, newest first. Each links to the original comment.

“I have good experience with using open-code-review”

RecommendsComment from 10 Jul 2026 in “Write code like a human will maintain it”

“We've been dogfooding this for about a year now and we've seen as much as 70% time savings using OCR”

RecommendsComment from 16 Jun 2026 on Hacker News

“it provides a huge value to me”

RecommendsComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“very good recall (~74%, e.g. found a lot of the golden issues)”

MixedComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“I think the main value add is all the rules”

RecommendsComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“this is a great tool, until you try reading the rule files”

MixedComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“Is not working with gpt5.x models”

CriticizesComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“I would say that recall is the most important metric here though.”

MixedComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“not so good precision (~12%, e.g. lots of false positives)”

MixedComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“The tool shared by OP from alibaba certainly does some things ours does not and appears more sophisticated”

MixedComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“OCR seems cool, but overkill”

MixedComment from 5 Jun 2026 in “Alibaba/Open-Code-Review”

“agentic analysis (ideally differentiated, and redundant with discourse -- like Open Code Review)”

RecommendsComment from 20 Mar 2026 in “Show HN: Orc – Release the horde. Multi-agent orchestration in pure bash”

“you might like checking out one of the other projects I've worked on which pre-dates Orc”

RecommendsComment from 19 Mar 2026 in “Show HN: Orc – Release the horde. Multi-agent orchestration in pure bash”

“it's built specifically for AI code failure modes”

RecommendsComment from 12 Mar 2026 in “Show HN: Open Code Review – Free CI/CD quality gate for AI-generated code”

“genuinely useful – not as a replacement for human review, but as a way to catch things earlier”

RecommendsComment from 29 Jan 2026 in “Forget CodeRabbit Meet Open Code Review, Open Source Multi-Agent Code Review”

“it's been genuinely useful”

RecommendsComment from 26 Jan 2026 in “Open Code Review – Multi-agent code review (Local First but CI-ready)”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.