I built a PR reviewer that survived its own model being deprecated
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I Built groq-pr-reviewer-net — a .NET 10 CLI that reads your git diff and returns a structured code review in your terminal, before you ever open the pull request. dotnet run -- --staged That's it. It reviews bugs and correctness, security, performance, and readability. The friend I built it for is the developer…
This article details the creation of a personal PR reviewer tool, named groq-pr-reviewer-net, which functions as a command-line interface (CLI) that analyzes a git diff and delivers a structured code review directly in the terminal. Developed in .NET 10, this tool assesses code for bugs, security, performance, and readability. The author built it for solo developers who lack a teammate or budget for a paid review bot.
The tool identifies issues like bugs, JSON parsing errors, and potential secret leakage in the diff. It is powered by an open-weight model from Groq, which allows for easy swaps or exchanges with another model at any time without any vendor lock-in. The reviewer can be run on Groq's free tier, ensuring no cost is incurred. Despite some false positives due to the model's knowledge cut-off, the tool aims to serve as a helpful second opinion rather than absolute truth.
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