Xcode 26.3 + Claude Agent: Model Swapping,MCP, Skills, and Adaptive Configuration

273 · Fatbobman · Feb. 6, 2026, 5:40 a.m.
Summary
With the recent Xcode 26.3 update, Apple has introduced support for Claude Code/Codex, allowing developers to utilize native AI Agents within Xcode. The author shares personal experiments with the new version, detailing configurations of MCP and writing an adaptive 'CLAUDE.md'. This article offers tips that extend beyond Apple's official documentation.