Blazing Fast Python Type Checker and Language Server in Rust: ty

2025-05-07
Blazing Fast Python Type Checker and Language Server in Rust: ty

ty is an extremely fast Python type checker and language server written in Rust. It's currently under development and not ready for production. All development now happens in the Ruff repository; please submit pull requests there for changes to the ruff submodule (which includes all Rust source code). See the contributing guide for details. Licensed under the MIT license.

Development Type Checking