https://github.com/pakhmutov/code-review-assistant

AI-powered code review tool. Paste a snippet — get streamed feedback across Bugs, Improvements, Security, and Code Style.
https://github.com/pakhmutov/code-review-assistant

ai code-review gemini nextjs react typescript vercel

Last synced: 4 days ago
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AI-powered code review tool. Paste a snippet — get streamed feedback across Bugs, Improvements, Security, and Code Style.

• Host: GitHub
• URL: https://github.com/pakhmutov/code-review-assistant
• Owner: pakhmutov
• License: mit
• Created: 2026-05-17T20:19:57.000Z (about 1 month ago)
• Default Branch: main
• Last Pushed: 2026-05-18T23:27:44.000Z (about 1 month ago)
• Last Synced: 2026-05-18T23:53:08.950Z (about 1 month ago)
• Topics: ai, code-review, gemini, nextjs, react, typescript, vercel
• Language: TypeScript
• Homepage: https://code-review-assistant-vp.vercel.app
• Size: 249 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Code Review Assistant

![CI](https://github.com/pakhmutov/code-review-assistant/actions/workflows/ci.yml/badge.svg)

![Next.js](https://img.shields.io/badge/Next.js-16-black?logo=next.js)

![TypeScript](https://img.shields.io/badge/TypeScript-5-3178c6?logo=typescript&logoColor=white)

![Vercel](https://img.shields.io/badge/Deployed_on-Vercel-black?logo=vercel)

![License](https://img.shields.io/badge/License-MIT-green)

AI-powered code review in your browser. Paste a snippet, get structured feedback across four categories — streamed in real time.

**[Live →](https://code-review-assistant-vp.vercel.app)**

![preview](public/preview.png)

---

## What it does

- Paste code and select a language

- Review streams back via Gemini 2.5 Flash with animated category status

- Four categories: **Bugs**, **Improvements**, **Security**, **Code Style**

- Copy results, paste from clipboard, browse last 10 reviews from history

- Rate limited at 10 requests/min per IP

## Stack

| Layer | Tech |

|---|---|

| Framework | Next.js 16 (App Router) |

| Language | TypeScript |

| Styles | SCSS (CSS Modules) |

| AI | Gemini 2.5 Flash Lite |

| Rate limiting | Upstash Redis |

| Deploy | Vercel |

## Running locally

```bash

npm install

cp .env.example .env.local

# fill in the env vars

npm run dev

```

Open [http://localhost:3000](http://localhost:3000).

## Environment variables

```env

GEMINI_API_KEY=            # Google AI Studio

NEXT_PUBLIC_APP_URL=       # your deployment URL (used for OG image)

UPSTASH_REDIS_REST_URL=    # Upstash Redis URL

UPSTASH_REDIS_REST_TOKEN=  # Upstash Redis token

```

Get a free Gemini key at [aistudio.google.com](https://aistudio.google.com).  

Get free Upstash Redis at [upstash.com](https://upstash.com).