Installation

VS Code Extension

Install from the VS Code marketplace:

1. Open VS Code

2. Press Ctrl+Shift+X (or Cmd+Shift+X on macOS)

3. Search for Language Check

4. Click Install

On first activation, the extension will prompt you to download the core binary for your platform. You can also install it manually.

CLI Binary

Pre-built binaries

Download the latest release for your platform from GitHub Releases.

Available targets:

• x86_64-unknown-linux-gnu — Linux x86_64

• aarch64-unknown-linux-gnu — Linux ARM64

• x86_64-apple-darwin — macOS Intel

• aarch64-apple-darwin — macOS Apple Silicon

• x86_64-pc-windows-msvc.exe — Windows x86_64

From source

git clone https://github.com/KaiErikNiermann/LangCheck.git
cd LangCheck/rust-core
cargo build --release

The binary will be at target/release/language-check-server.

Verify the download

Each release includes .sha256 checksum files:

sha256sum -c language-check-server-x86_64-unknown-linux-gnu.sha256