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Wire Claude Code into the Xcode build-and-test loop

Claude Code can't see Xcode's build errors unless you hand them over. XcodeBuild MCP plus a formatter that strips the noise gives the agent a real edit-build-test loop for SwiftUI work — the difference between guessing and iterating.

Recipe

Claude Code2.4.0

4

1d ago

RecipeClaude Code2.4.041d ago

Claude Code vs Codex for SwiftUI work

iOS is the acid test: Xcode builds, simulators, and API churn. With XcodeBuild MCP wired up, Claude Code pulls clearly ahead; without it, both are guessing.

Comparison

All Agents

8

7h ago

Comparison87h ago

Build log: rewriting our iOS widgets, day by day

Eight days migrating a legacy widget suite to WidgetKit with Claude Code and XcodeBuild MCP: timeline budgets, a haunted pbxproj, and $84 of tokens.

Build Log

Claude Code2.3.5

5

4d ago

Build LogClaude Code2.3.5