Meet 'ty': The Blazing-Fast Python Type Checker and Language Server in Rust

May 09, 2025
GitHub
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Summary

Introducing 'ty', a lightning-fast Python type checker and language server crafted in Rust, offering a preview experience through an online playground and the uvx command, open-source under MIT license with contributions welcomed in the Ruff repository.

Key Points

  • ty is an extremely fast Python type checker and language server written in Rust
  • ty is in preview and not ready for production use, but users can try the online playground or run it with uvx
  • ty is licensed under the MIT license and contributions are welcome, with development taking place in the Ruff repository

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