AI code reviewer that
makes your code smarter.
Get real-time feedback during review. CodeUsagi pulls context from your codebase and past pull requests in under a second.
Question: Can it automatically raise PR fixes?
CodeUsagi detects issues in real-time and can commit fixes on a new branch. Ask "@codeusagi fix this" in any comment and it opens a PR with the change ready for review.
Search config housekeeping…
Prev PR 12 min ago
Works with any stack
Trusted by developer teams
A complete loop for
active code reviews.
Replicating automated review chains on every code push.
Submit a pull request
Push your branch and open a PR. CodeUsagi intercepts changes through webhooks — no config, no setup.
Configure review rules
Tailor comments to your codebase guidelines. Choose supportive or direct tone styles per repo.
Run automated checks
Verify logic, styling rules, and find bugs. CodeUsagi scans every change against your full context.
Raise PR fixes
Ask the bot to write fixes ("@codeusagi fix it") and raise a pull request back automatically.
What's driving the reviews.
We leverage contextual file lookups and semantic codebase understanding to give you the highest fidelity code reviews.
Using CodeUsagi at active teams.
Trusted by over 15,000+ developers worldwide.
"CodeUsagi slashed our pull request review times in half. It feels like having a senior engineer reviewing commits 24/7."
"The automated PR creation when asking it to fix issues via comments is absolute magic. Saves hours of context-switching."
"Adding custom ignore patterns and tone rules let us enforce code quality that matches our guidelines perfectly."
Questions, answered.
CodeUsagi is an AI code reviewer. It hooks into your Git repositories and reviews pull requests line-by-line, posting comments on logical errors and suggestions.
Unlike simple review bots, CodeUsagi runs interactive chat threads directly inside files and lets you command it (e.g. "@codeusagi fix this") to write changes and raise PRs for you.
You own 100% of your code and comments. CodeUsagi operates inside your local environment, using SQLite, and forwards diff context safely.
Yes. Since the project uses SQLite and Next.js, you can deploy it in a Docker container to any hosting service with minimal effort.
Clone. Connect. Ship smarter.
Integrate CodeUsagi in minutes. Sign in with GitHub, connect your repository, and receive automated PR summaries and fixes immediately.