Xcode 26.3 enables developers to use coding agents like Anthropic’s Claude and OpenAI’s Codex to improve app development efficiency. These agents can autonomously handle tasks, make decisions, and streamline workflows throughout the development cycle. The update also introduces the Model Context Protocol for broader tool integration.

Anthropic has introduced a new feature that allows developers to connect their applications to Claude, their AI model. This integration enables enhanced functionalities and interactions between the AI and various apps, expanding the potential use cases for Claude in real-world applications.