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Xcode 26.3 brings agentic coding into the IDE

Xcode 26.3 adds agentic coding, letting developers connect coding agents directly to Xcode’s tools to plan, change, and validate app work. Built-in support includes Anthropic’s Claude Agent and OpenAI’s Codex.

Xcode 26.3 introduces agentic coding, enabling coding agents to operate inside Xcode with deeper access to the development workflow.

  • Xcode 26.3 supports integrating Anthropic’s Claude Agent and OpenAI’s Codex directly in the IDE, so teams can pick the model that fits a given project.
  • Agents can use Xcode capabilities beyond editing code, including searching documentation, navigating project files, and updating project settings.
  • Visual validation is part of the loop: agents can capture Xcode Previews and iterate through builds and fixes based on results.
  • Apple positions this as an expansion of Xcode 26’s Swift-focused coding assistant, shifting from assistive edits to multi-step, goal-driven work.
  • Xcode 26.3 is offered as a release candidate to Apple Developer Program members, with an App Store release planned; third-party terms may apply for agent providers.