AI code review for GitHub

Code review that reads the ticket first.

PRNeuron reviews every pull request with Claude. It checks the change against its Jira ticket, scans for leaked secrets and vulnerable dependencies, and draws what changed — before anyone on your team reads a line.

50 reviews a month free. No credit card. Installs as a GitHub App.

Running in five minutes. No pipeline changes.

PRNeuron is a GitHub App. There is nothing to add to your CI and nothing to run on your machines.

  1. Install the GitHub App

    Pick the repositories PRNeuron may see. Connect Jira if you want reviews checked against tickets.

  2. Open a pull request

    Every opened, reopened or updated pull request is queued for review automatically.

  3. Get a review in about two minutes

    Inline comments on the exact lines, a summary, and a verdict: approve or request changes.

A reviewer that knows why the code changed.

Most AI reviewers only see the diff. PRNeuron also reads what the work was for, what your team's rules say, and what the change does to the system.

Inline review with a verdict

Comments land on the lines they are about, each with a severity and a suggested fix. The review approves or requests changes, like a teammate would.

Checked against the Jira ticket

PRNeuron finds the ticket key in the branch, title or description and checks the change against its acceptance criteria — so "done" means done.

Security review on every PR

Leaked secrets and known-vulnerable dependencies are caught on every pull request, with a deeper security pass when a change touches auth, queries or input handling. Findings above your threshold block the merge.

Before and after flow diagrams

Each review opens with a diagram of the affected flow as it was and as it will be, with new, changed and removed steps marked. Reviewers see the shape of the change first.

Your history, explained

A graph of every merged pull request, the history of any single file, and a plain-language explanation of what each commit and PR changed — and whether it matched its ticket.

Follows your team's rules

Reads the standards you already keep in the repo — CLAUDE.md, AGENTS.md, Cursor rules, .codereview/rules.md — and applies each one only to the files it covers.

Your code stays yours.

Built for teams who need to know where their code goes before they install anything.

  • Never used for training. Reviews run on Anthropic's commercial API, which does not train models on your data.
  • No copy of your repository. Diffs are fetched when a review runs; we keep the review, not the code.
  • Isolated per organisation at the database level, so one customer's query can never return another's data.
  • Delete everything — an organisation owner can export or erase all of its data at any time.
How we handle your code →

Permissions PRNeuron asks for

GitHub permissionAccess
ContentsRead
Pull requestsRead & write
MetadataRead

Write access is used for one thing: posting the review on the pull request. PRNeuron never pushes code or changes settings.

Questions

Which languages does PRNeuron review?

Any language in a GitHub repository. Reviews work from the diff and the surrounding code, so there is no per-language setup. Dependency vulnerability checks cover npm, Yarn, pnpm, Python (pip, Poetry, uv, Pipenv), Go and Rust lock files.

Which AI model does it use?

Claude, by Anthropic. Your organisation can choose the model used for reviews in its settings.

Does it replace human reviewers?

No. It is a first reviewer: it catches the mechanical issues, the security slips and the missed acceptance criteria, so your team's review time goes on design and intent.

Do you support GitLab or Bitbucket?

Not yet — GitHub only, including private repositories and organisations.

What counts as a review?

One completed review of one push to a pull request. Opening a PR and then pushing two more commits is three reviews. Commit and PR explanations in the history view do not count towards your allowance.

Can I turn the security review off?

Yes. It is on by default, and organisation settings let you switch it off or choose the severity — critical, high or medium — at which a finding blocks the merge.

Put a reviewer on every pull request today.

Install the GitHub App, open a pull request, and see your first review in a couple of minutes.

Start free — 50 reviews a month