mypy
Static type checker for Python that detects type errors in your code.
Pricing
See website
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
—Overview
What is mypy?
mypy is a static type checker for Python that helps catch type-related bugs before runtime. It checks variable types during compile time, ensuring robust and maintainable codebases.
Key differentiator
“mypy stands out as an essential tool for Python developers seeking to enhance code quality through static type checking, offering robust integration with various development environments and extensive support for gradual typing.”
Capability profile
Strength Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
Fit analysis
Who is it for?
✓ Best for
Teams working on complex, large-scale Python applications where type safety is critical.
Developers who want to catch potential bugs before runtime by ensuring type consistency.
✕ Not a fit for
Projects that do not require static typing or prefer dynamic typing for flexibility.
Small projects where the overhead of setting up and maintaining a type checker outweighs the benefits.
Cost structure
Pricing
Free Tier
None
Starts at
See website
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Next step
Get Started with mypy
Step-by-step setup guide with code examples and common gotchas.