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Cubic is an AI-powered code review platform that automatically reviews pull requests in GitHub, helping teams catch bugs and merge code faster while maintaining high-quality standards.

What is cubic
Cubic is a sophisticated AI code review platform designed for complex codebases, offering automated code reviews and intelligent feedback on GitHub pull requests. It serves as a powerful tool for development teams, providing instant reviews, contextual analysis, and custom rule enforcement. The platform costs $30 per developer per month (or $24/month when billed annually) and offers a free tier for open-source projects. Notable companies like Cal.com, n8n, and Browser (YC W25) use Cubic to enhance their development workflow.
Key Features of cubic
Cubic is an AI-powered code review platform that automatically reviews pull requests in GitHub, helping teams catch bugs and merge code faster. It provides instant AI code reviews, learns from team feedback, enforces coding standards, and integrates with issue tracking tools. The platform supports all major programming languages, offers automated PR descriptions, and includes features like one-click fixes and deep codebase scans for security vulnerabilities, all while maintaining strict security and privacy standards. AI-Powered Code Reviews:Automatically reviews PRs using AI agents that provide inline feedback and catch bugs that humans might miss Adaptive Learning System:Learns from team feedback and senior developers' comments to improve and customize reviews based on team standards Deep Codebase Scanning:Runs thousands of AI agents to identify bugs and security vulnerabilities across the entire codebase Tool Integration:Connects with JIRA, Linear, and Asana to validate business logic and acceptance criteria from issue trackers
Use Cases
Remote Development Teams: Helps maintain code consistency across different time zones and distributed teams Security-Sensitive Organizations: Provides an AI-powered security layer without storing code, suitable for organizations with strict privacy requirements Open Source Projects: Offers free unlimited AI reviews for public repositories to improve code quality in open source development
Pros
Speeds up PR review process by up to 28-30% Strong privacy and security focus with SOC 2 compliance Language-agnostic support for all major programming languages
Cons
Requires subscription for private repositories Limited to 5 custom agents in standard plans
How to Use cubic
Install Cubic: Add the PPA repository and install Cubic using these commands: echo "deb https://ppa.launchpadcontent.net/cubic-wizard/release/ubuntu/ noble main" | sudo tee /etc/apt/sources.list.d/cubic-wizard-release.list curl -S "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x081525e2b4f1283b" | sudo gpg --dearmor --output /etc/apt/trusted.gpg.d/cubic-wizard-ubuntu-release.gpg sudo apt update sudo apt install --no-install-recommends cubic Launch Cubic: Open Cubic from your application launcher. Do not run it directly from terminal as it needs to be launched as a GUI application. Select Working Directory: Choose a folder where Cubic will perform its operations (e.g., ~/Downloads/ISOs) Choose ISO Image: Select the Ubuntu/Debian ISO file you want to customize. The application will auto-populate most fields based on the selected ISO. Customize Environment: Use the integrated virtual command line environment to customize the Linux filesystem. You can add/remove packages, modify files, and make other customizations. Select Kernel: Choose the kernel version to use when booting the new ISO Generate Custom ISO: Click Next to package your customizations into a new ISO image. Cubic will automatically compress the filesystem and create the bootable ISO file. Security Note: For security, consider running Cubic inside a virtual machine like VirtualBox since it requires root privileges for certain operations.
cubic FAQs
1.How much does cubic cost?
cubic costs $30 per developer per month for unlimited AI code reviews when billed monthly, or $24/month when billed annually. There's also a free tier with 20 PR reviews per month, and custom pricing for enterprise plans.
2.Does cubic train AI on my code data?
No, cubic does not train AI on your code data. They prioritize security and privacy, and your code remains yours.
3.What programming languages does cubic support?
cubic is language-agnostic and supports all popular programming languages, including JavaScript, TypeScript, Python, Go, Ruby, Java, and C#.
4.Is cubic free for open source projects?
Yes, cubic is free for public repositories and open source teams. You just need to connect cubic to a public repository to get unlimited AI reviews.
5.How do I get started with cubic for existing pull requests?
Reviews for new PRs start automatically. For PRs that were opened before installing the app, you can comment '@cubic-dev-ai review this PR' to initiate a review.
6.Do I need to purchase cubic for every team member?
No, you do not have to purchase cubic for every member of your team – you can assign licenses to specific developers.
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