GitHub - Thinkode/thinkreview-browser-extension: AI-powered code reviews & Copilot for GitLab , Github, Azure DevOps & Bitbucket. Zero setup. Powered by Frontier LLms & Ollama.

7 min read Original article โ†—

๐ŸŽ‰ Now Open Source!

ThinkReview is a production-ready browser extension that brings AI-powered code reviews to GitHub, Bitbucket, GitLab and Azure DevOps. After months of development, we're excited to open source the extension!

๐Ÿ†• NEW: Local AI Support with Ollama!

Run code reviews 100% privately on your own hardware with Ollama.
No cloud, no API calls, complete control over your code.
๐Ÿ“– Quick Setup Guide โ†’ (30 seconds if model is downloaded)

๐ŸŒŸ Key Stats

  • ๐Ÿ† Featured by Chrome Web Store
  • ๐ŸฆŠ Firefox โ€” Mozilla Add-ons
  • ๐Ÿ”„ Active Development - Regular updates and improvements (2+ weekly releases on average)
  • ๐Ÿค– Multi-Model AI - Advanced cloud models or local Ollama
  • ๐Ÿ“ˆ Growing Community - Growing user base
  • ๐Ÿ“œ Follows recommended practices for Chrome extensions
  • ๐Ÿ“ฆ Check latest releases

โœจ Features

๐Ÿค– AI-Powered Code Reviews

Choose Your AI Provider:

Provider Privacy Cost Speed Setup
โ˜๏ธ Cloud AI (Advanced Models) Google Cloud Free tier โšก Very Fast None - works instantly
๐Ÿ–ฅ๏ธ Local Ollama ๐Ÿ†• ๐Ÿ”’ 100% Local Completely Free Hardware dependent 30 sec setup (if model downloaded)

Features:

  • Instant Analysis: Get AI-driven insights on code changes
  • Security Detection: Automatically identify potential vulnerabilities
  • Code Quality: Receive suggestions for improvements
  • Smart Summaries: Quickly understand complex changes
  • Quality Metrics: Code quality scores and metrics
  • Suggested Questions: Context-aware follow-up questions

AI Code Review Demo

AI-powered code review in action

๐Ÿ’ฌ AI Copilot

  • Chat with PRs: Ask questions about your pull requests
  • Suggested Questions: Get smart, context-aware queries
  • Deep Dive: Explore code changes interactively

๐Ÿ”ง Platform support (cloud & self-hosted)

Setup guides for every combination below live on the site: thinkreview.dev/docs (same matrix as the Platform setup guides on the docs portal).

Azure DevOps Integration

Seamless Azure DevOps integration

๐Ÿš€ Quick Start

  • Cloud AI: Zero setup - works instantly after install
  • Local AI: Quick Ollama setup (30 seconds if model is downloaded) for private reviews
  • No API Keys: Works out of the box (cloud) or fully local (Ollama)
  • Automatic Detection: Recognizes MR/PR pages instantly
  • Seamless Integration: Doesn't disrupt your workflow

๐ŸŒ Multilingual Support

  • Reviews in Your Language: Get code reviews in 20+ languages
  • Automatic Language Detection: Adapts to your preferences

Multilingual Support

Code reviews in your preferred language

โš™๏ธ Flexible Configuration

  • Custom Domains: Works with self-hosted GitLab instances
  • Azure DevOps PAT: Configure personal access tokens for private repos
  • Team Settings: Customize for your organization's needs

Custom Domain Configuration

Configure custom domains and Azure DevOps tokens

๐Ÿ” Privacy & Security

  • ๐Ÿ”’ Secure Authentication: Google OAuth
  • ๐Ÿ” HTTPS: All requests encrypted
  • ๐Ÿ›ก๏ธ No Stored Keys: No API keys in extension code
  • ๐Ÿ“Š Minimal Permissions: Only activates on MR/PR pages
  • ๐Ÿ–ฅ๏ธ ๐Ÿ†• 100% Local Option: Use Ollama for completely private reviews - Setup Guide

๐Ÿ“ฆ Installation

From browser stores (recommended)

Chrome, Edge, Brave, and other Chromium browsers

Install from Chrome Web Store

  1. Open the Chrome Web Store listing
  2. Click Add to Chrome (or the equivalent in your Chromium browser)

Firefox

Install from Firefox Add-ons

  1. Open the Firefox Add-ons listing
  2. Click Add to Firefox

Then open any supported GitHub PR, Bitbucket PR, GitLab MR, or Azure DevOps PR to start.

For developers (load unpacked)

# Clone the repository
git clone https://github.com/Thinkode/thinkreview-browser-extension.git
cd thinkreview-browser-extension

# Chromium (Chrome, Edge, โ€ฆ)
# 1. Open chrome://extensions/ (or edge://extensions/, etc.)
# 2. Enable "Developer mode" (toggle in top right)
# 3. Click "Load unpacked" and select this directory

# Firefox
# 1. Open about:debugging#/runtime/this-firefox
# 2. Click "Load Temporary Add-on" and select manifest.json in this directory

Choose Your AI Provider (Optional)

Cloud AI (Default) - Works immediately, no setup required
Local AI with Ollama - For 100% private reviews:

  1. Follow the Ollama Setup Guide (30 seconds if model is downloaded)
  2. We recommend Gemma 4 for best results with Ollama; Codestral and gpt-oss are solid alternatives.
  3. Open extension popup โ†’ Settings โ†’ Select "Local Ollama"
  4. That's it! Your reviews now run locally

๐ŸŽฏ Usage

  1. Navigate to any GitHub pull request, Bitbucket pull request, GitLab merge request or Azure DevOps pull request
  2. Wait for automatic detection (usually instant)
  3. View AI-powered code review in integrated panel
  4. Chat with your PR using the AI copilot feature
  5. Review suggestions and security findings

Supported URLs

  • https://github.com/*/*/pull/*
  • https://bitbucket.org/*/*/pull-requests/*
  • https://gitlab.com/*/merge_requests/*
  • https://your-gitlab-instance.com/*/merge_requests/*
  • https://dev.azure.com/*/*/_git/*/pullrequest/*
  • https://*.visualstudio.com/*/*/_git/*/pullrequest/*

๐Ÿ—๏ธ Architecture

ThinkReview consists of two main components:

1. Browser Extension (This Repository)

  • Manifest V3 WebExtension โ€” Chrome (Chromium) and Firefox
  • Content scripts for GitHub, Bitbucket, GitLab & Azure DevOps
  • UI components and integration
  • OAuth authentication flow

2. Backend Services (Proprietary)

  • AI model integration (Advanced AI models)
  • Code review processing
  • User management and subscriptions
  • Hosted at us-central1-thinkgpt.cloudfunctions.net

Note: The extension requires connection to ThinkReview backend services. For commercial deployments with your own backend, contact us for licensing options.


๐Ÿ“š Documentation

Project Structure

thinkreview-browser-extension/
โ”œโ”€โ”€ manifest.json           # Extension configuration
โ”œโ”€โ”€ background.js           # Service worker
โ”œโ”€โ”€ content.js             # Main content script
โ”œโ”€โ”€ popup.html/js/css      # Extension popup
โ”œโ”€โ”€ components/            # UI components
โ”‚   โ”œโ”€โ”€ integrated-review.js
โ”‚   โ”œโ”€โ”€ google-signin/
โ”‚   โ”œโ”€โ”€ review-prompt/
โ”‚   โ””โ”€โ”€ subscription.js
โ”œโ”€โ”€ services/              # Backend integration
โ”‚   โ”œโ”€โ”€ cloud-service.js
โ”‚   โ”œโ”€โ”€ ollama-service.js  # ๐Ÿ†• Local AI integration
โ”‚   โ”œโ”€โ”€ azure-devops-api.js
โ”‚   โ””โ”€โ”€ platform-detector.js
โ”œโ”€โ”€ utils/                 # Helper utilities
โ”œโ”€โ”€ images/               # Icons and assets
โ””โ”€โ”€ release-notes/        # Version history

Key guides


๐Ÿ“ˆ Version History

ThinkReview has been in active development with regular releases. Check latest releases for the complete version history.

๐Ÿ“ Full changelog: See release-notes/ directory or visit thinkreview.dev/release-notes


๐Ÿค Contributing

We welcome contributions! ThinkReview is now open source and we'd love your help.

How to Contribute

  1. Fork the repository
  2. Create a feature branch (git checkout -b feature/amazing-feature)
  3. Commit your changes (git commit -m 'Add amazing feature')
  4. Push to the branch (git push origin feature/amazing-feature)
  5. Open a Pull Request

Development Setup

# Clone your fork
git clone https://github.com/your-username/thinkreview-browser-extension.git
cd thinkreview-browser-extension

# Install dependencies (if any)
npm install

# Load the extension (see Installation section above)

Guidelines

  • Follow existing code style
  • Add tests for new features
  • Update documentation
  • Keep commits atomic and well-described

See CONTRIBUTING.md for detailed guidelines.


๐Ÿ› Issues & Support

Found a Bug?

Open an issue with:

  • Description of the bug
  • Steps to reproduce
  • Expected vs actual behavior
  • Screenshots (if applicable)
  • Browser version and OS

Need Help?


๐Ÿ“œ License

This project is licensed under the GNU Affero General Public License v3.0 (AGPL-3.0).

What This Means

โœ… You can:

  • Use the extension freely
  • Study and modify the code
  • Distribute your modifications
  • Use it commercially

โš ๏ธ You must:

  • Share your modifications under AGPL-3.0
  • Disclose source code when distributing
  • Include license and copyright notice
  • State significant changes made

Commercial Licensing

For commercial deployments with your own backend or proprietary modifications:

See LICENSE for full details.


๐Ÿ”— Links


๐ŸŒŸ Why Open Source?

After successfully launching on the Chrome Web Store and serving 128+ users, we decided to open source ThinkReview because:

โœ… Transparency - Let the community see and verify how it works
โœ… Trust - Open code builds confidence in security and privacy
โœ… Collaboration - Accelerate development with community contributions
โœ… Innovation - Enable developers to extend and customize
โœ… Education - Help others learn from production-grade code


๐Ÿ’ผ About

ThinkReview is developed and maintained by the Thinkode team. The extension is production-ready and actively used by developers worldwide for improving code quality and accelerating code reviews.

Built with:

  • Manifest V3 (WebExtensions โ€” Chromium & Firefox)
  • Advanced AI Models
  • Vanilla JavaScript
  • Browser extension APIs (chrome.* / browser.*)

โญ Show Your Support

If ThinkReview helps you with code reviews, please:

  • โญ Star this repository
  • ๐Ÿ”„ Share with your team
  • โœ๏ธ Leave a review on Chrome Web Store or Firefox Add-ons
  • ๐Ÿ› Report bugs and suggest features