Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.
open-code-review-delegate
open-code-review-delegate is an open-source productivity skill for Claude Code and compatible agents, published by alibaba. Its author describes it as: “Delegation mode for open-code-review (OCR). Instead of OCR calling an LLM endpoint, this skill instructs the host agent to perform the code review itself, using OCR only for deterministic engineering: file selection a…”. The project has 21k stars on GitHub and is available under the Apache-2.0 license. Add it to your setup with `/plugin marketplace add alibaba/open-code-review`.
What open-code-review-delegate does
A skill for performing AI code review where OCR provides deterministic engineering (file filtering, rule resolution) and the host agent performs the actual review using its own intelligence and tools.
Installation
Add open-code-review-delegate to your agent with:
/plugin marketplace add alibaba/open-code-reviewAlways review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.
What's inside
The SKILL.md for open-code-review-delegate is organised into these sections:
- Prerequisites
- Workflow
- Step 1: Preview — Determine What to Review
- Step 2: Get Rules for Files
- Step 3: Get Diffs
- Step 4: Review Each File
- Step 5: Format Output
- Step 6: Classify and Report
- Step 7: Fix (Optional)
- Sub-commands Reference
- Shared Flags
- Gotchas
When to use it
Reach for open-code-review-delegate when you want productivity help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.
Strengths
- Clear Apache-2.0 license — safe to read and adapt
- Ships in alibaba/open-code-review, an established project with 20,727 GitHub stars
- Actively maintained (recent commits)
Topics
Frequently asked questions
- What does open-code-review-delegate do?
- Delegation mode for open-code-review (OCR). Instead of OCR calling an LLM endpoint, this skill instructs the host agent to perform the code review itself, using OCR only for deterministic engineering: file selection and rule resolution. Use when the host agent should drive the review with its own LLM capabilities.
- How do I install open-code-review-delegate?
- Run /plugin marketplace add alibaba/open-code-review in your agent, then reload your skills. Review the source at https://github.com/alibaba/open-code-review before installing.
- Is open-code-review-delegate free to use?
- Yes. open-code-review-delegate is free and open source under the Apache-2.0 license, so you can read, run, and adapt it within that license's terms.
- Where does open-code-review-delegate come from?
- open-code-review-delegate ships inside alibaba/open-code-review, a repository that contains 3 catalogued skills in total. The repository's 20,727 GitHub stars apply to that whole collection, not to this skill on its own.
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