Apple has finally released Xcode 26.3, which now supports agentic coding. In this article, I’ll guide you through configuring Xcode 26.3 and utilizing the latest best practices when using agentic tools for building apps on Apple platforms.

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Xcode 26.3 introduces native support for agentic coding tools like Codex and Claude Code, enabling AI-powered development workflows for Apple platforms. The integration includes Model Context Protocol (MCP) support, allowing coding agents to run previews, access documentation, and compare implementations with designs. Developers can replace bundled agent versions with newer ones via symbolic links, configure custom skills for reusable knowledge, and adjust configuration files to customize their workflow. The feature transforms Xcode from a traditional IDE into a collaborative environment where AI agents can reason about codebases and assist with implementation.

Agentic coding in Xcode