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How to review a branch diff for issues before merging with Cline

Pipe a git diff into Cline and get a written review of the changes from the terminal.

Who it is forA developer about to open or merge a pull request who wants a second read on the changes first.

The problemLarge diffs are easy to skim, and small bugs slip through when no one has reread the changes.

The outcomeCline returns a review of the diff that lists possible issues for the author to check.

What you need first

  • Node.js with npm available, since the README installs the CLI with npm
  • Access to an AI model provider that Cline supports, such as Anthropic, OpenAI, Google, OpenRouter, or a local model through Ollama or LM Studio
  • A git repository or project folder you want the agent to work in
  • For the VS Code path: the VS Code editor and the VS Code Marketplace extension

Steps

  1. Install the CLI with npm i -g cline.
  2. Fetch the latest main branch with git fetch origin. (inferred, check the README)
  3. Check out your feature branch in the repository.
  4. Run git diff origin/main | cline "Review these changes for issues".
  5. Read the review and fix or dismiss each item before opening the pull request.

Prompt for your agent

Use the cline/cline CLI in <repo-path> to review the diff between origin/main and <branch-name>. Run `git diff origin/main | cline "Review these changes for issues"` and return the list of issues Cline reports. Verify each reported issue by opening the cited line before treating it as real.

Caveat. The review is generated by the model you choose, so treat its findings as suggestions to check, not as a guaranteed audit.

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Disclaimer

Deduped lists open-source repositories that belong to other people. We do not own, maintain, audit, or vouch for any of them, and a repo appearing here is not an endorsement or a safety check. The use cases, steps, and prompts are written by AI and may be incomplete, outdated, or just wrong. Where a use case is marked "Seen in the wild", we link to public posts where someone described something similar, but we have not verified those posts and the use case itself is still our AI's own write-up. Use all of this at your own risk. Only run code, commands, or agents on systems and accounts you are authorized to use, and read the code and every command before you run it, especially anything that touches credentials, files, or the network. Nothing here is professional, security, legal, or financial advice. All trademarks and project names belong to their respective owners, and their use here does not imply affiliation. Content is provided as is, without warranties of any kind. Found a mistake, a safety problem, or something you want removed? Email [email protected] and we will look at it promptly. Full disclaimer page