ruff server is a language server that powers Ruff's editor integrations.

The job of the language server is to listen for requests from the client (in this case, the code editor of your choice) and call into Ruff's linter and formatter crates to construct real-time diagnostics or formatted code, which is then sent back to the client. It also tracks configuration files in your editor's workspace, and will refresh its in-memory configuration whenever those files are modified.

Refer to the documentation for more information on how to set up the language server with your editor and configure it to your liking.

Contributions are welcome and highly appreciated. To get started, check out the contributing guidelines.

You can also join us on Discord.

This crate is an internal component of Ruff. The Rust API exposed here is unstable and will have frequent breaking changes.

This version (0.0.11) is a component of Ruff 0.16.5. The source can be found here.

See Ruff's crate versioning policy for details on versioning.