Apple has released Xcode 26.3 with new agent coding features designed to help AI systems perform development tasks within the IDE. This release supports agents such as Anthropic’s Claude Agent. OpenAI Codex.

Coding agents can break down tasks, make decisions based on the project’s architecture, and use built-in tools to complete their work.

“Agent coding significantly increases productivity and creativity, streamlining development workflows so developers can focus on innovation.” susan prescottApple Vice President of Worldwide Developer Relations, said.

This release extends the intelligence features introduced in Xcode 26 and adds coding assistants for writing and editing in Swift. With Xcode 26.3, coding agents will have access to even more features in Xcode. Agents such as Claude Agent and Codex can collaborate throughout the development lifecycle.

Coding agents can search documentation, inspect file structures, and update project settings. You can also visually inspect your work by capturing an Xcode preview and repeating your builds and modifications.

Apple also model context protocolan open standard that allows you to connect additional AI models and tools to Xcode.

Xcode 26.3 is available as a release candidate for members of the Apple Developer Program.