Apple Releases Xcode 26.3 With Autonomous AI Coding Agents (Claude + Codex)
Apple just crossed a line no major OS vendor had crossed before. With today’s release of Xcode 26.3, the company has shipped native, first-class support for autonomous AI coding agents — plugging Anthropic’s Claude and OpenAI’s Codex directly into the IDE via the Model Context Protocol (MCP). This is not a copilot autocomplete feature. These are full agents. What Xcode 26.3 Actually Does The new agent integration lets Claude and Codex do the kind of work a junior developer might spend a full morning on — autonomously. Here’s what agents can do inside Xcode 26.3: ...