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Sourcery

Sourcery

AI-powered code review assistant focused on security and quality.

Sourcery

Sourcery provides automated code reviews designed for security and speed. The tool is built specifically for Python developers, offering real-time code improvement, refactoring, and quality enhancement. It helps teams move faster with feedback and reviews every step of the way, fixing bugs and security issues before they can slow development down. Solo developers benefit from instant feedback without waiting for peer reviews.

Strengths

Automated code reviews designed for security and speed
Free to use for open source projects on public repositories
Real-time code improvement and refactoring suggestions
Instant reviews on new pull requests
Visual Studio Code integration available
Catches security gaps, dependency risks, and logic errors

Weaknesses

Built specifically for Python developers (limited language support)
Private repositories require paid subscription after 14-day trial
Focus on code review rather than code generation
Limited IDE integrations compared to broader coding assistants

Best for

Python developers seeking automated code quality and security reviews.

Pricing plans

Open Source — Free — Public repositories only
Pro — $12/developer/month or $120/developer/year — Private repositories, 14-day free trial
Team — Unknown — Unknown

Tech details

Type: Code review and quality assistant
IDEs: Visual Studio Code
Key features: Real-time code improvement, refactoring, quality enhancement, security issue detection
Privacy / hosting: Code security and privacy focused, cloud-based
Models / context window: Unknown

When to choose this over Cursor

You primarily work with Python and need specialized code quality feedback
Your project is open source and you want free automated reviews
Security and code quality are higher priorities than code generation speed

When Cursor may be a better fit

You need multi-language support beyond Python
Code generation and completion are more important than review functionality
You prefer integrated chat and broader AI coding assistance features

Conclusion

Sourcery fills the gap where AI speeds up coding but traditional code reviews can't keep up. For Python developers focused on code quality and security, it provides specialized real-time improvement suggestions. However, developers seeking broader AI coding assistance across multiple languages may find other Cursor alternatives more suitable for their workflow.