Copilot for Xcode is an Xcode Source Editor Extension that brings GitHub Copilot, Codeium, and ChatGPT support to Xcode.
The tool addresses the need for AI-assisted development within Xcode by integrating multiple AI providers through a single extension interface. It works by running a background service that communicates with external AI APIs, allowing developers to access code suggestions, chat interactions, and code modifications directly from the Xcode editor. The extension uses the Accessibility API to enable keyboard shortcuts and global hotkeys for triggering these features.
Developers using Xcode who want AI assistance should consider this tool if they already subscribe to GitHub Copilot or have Codeium or OpenAI API access. It suits projects where developers spend significant time in Xcode and want to avoid context switching to external tools. The tool supports custom commands to extend both chat and modification capabilities, making it adaptable to different workflows. Installation requires several manual steps including enabling the extension, granting Accessibility API permissions, and configuring accounts in the host application, so it is best suited for developers comfortable with setup complexity. The README notes that users concerned about security can examine the source code and build the application themselves, with specific guidance to search for Accessibility API usage patterns.
The project maintains active development with regular updates and comprehensive documentation including a wiki. The maintainer actively engages with users through support channels and accepts contributions for improvements and bug fixes.