Swift Now Available on Open VSX Registry - Expands IDE Support to Cursor, VSCodium, and More
The official Swift extension for Visual Studio Code is now live on the Open VSX Registry, the vendor-neutral extension marketplace hosted by the Eclipse Foundation. This move unlocks Swift development in a broader range of popular IDEs, including Cursor, VSCodium, AWS Kiro, and Google Antigravity.
Developers can now write Swift code in these environments simply by opening the Extensions panel, searching for 'Swift', and installing the extension. No additional downloads or manual configurations are required for agentic IDEs like Cursor and Antigravity, which automatically fetch the extension from the Open VSX Registry.
"This is a significant step for the Swift community," said a spokesperson from the Swift project. "By making our VS Code extension available on Open VSX, we're meeting developers where they already work, whether that's on macOS, Linux, or Windows."
Background
Swift has long supported development across multiple IDEs, including VS Code, Xcode, Neovim, and Emacs. The language is also compatible with editors that implement the Language Server Protocol (LSP), allowing for feature-rich coding experiences.
However, the official Swift extension for VS Code was previously only available through the Visual Studio Marketplace. The Open VSX Registry launch changes that, enabling any editor that supports VS Code extensions to tap into Swift's full suite of tools—code completion, refactoring, debugging, a test explorer, and DocC documentation support.
This growing ecosystem is particularly timely as Swift continues to demonstrate its versatility across platforms and development environments, including agentic IDEs that leverage AI for automated coding workflows.
What This Means
With the extension now on Open VSX, developers using Cursor can follow a dedicated setup guide for configuring custom Swift skills for AI workflows. The Swift team has released a new resource: Setting up Cursor for Swift Development, which walks users through setup, features, and AI integration.
"This expands Swift's reach beyond traditional editors," explained a senior engineer at the Eclipse Foundation. "Agentic IDEs like Cursor and Antigravity can now offer Swift support out of the box, making it easier for AI-driven development pipelines to include Swift projects."
Cross-platform development becomes seamless: the extension works identically on macOS, Linux, and Windows, with first-class support for projects built using Swift Package Manager. Developers can also contribute feedback to improve the extension further.
For more details, visit the official Swift blog or the Quick-Start Guide below.
Get Started
- Open your Open VSX-compatible editor (Cursor, VSCodium, AWS Kiro, Google Antigravity).
- Go to the Extensions panel and search for 'Swift'.
- Install the official Swift extension, then open a Swift Package Manager project.
- For Cursor users, refer to the dedicated setup guide for AI workflow customization.
Start using Swift today in the editor of your choice. Download the extension, test it on your project, and share your experience with the community.