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Hi, I’m Keremcan.
I speak human and computer languages.
Writing
All writing →Connect Codex to Xcode 27 with MCP
Connect Codex to Xcode 27's MCP server, enable headless access, search Apple's local documentation, and install Xcode skills for every project.
iOS Development · 9 min readLet SQLite Do the Work: Efficient Data Fetching in Core Data
Optimize your Core Data fetches by pushing filtering and sorting to SQLite instead of handling it in Swift.
iOS Development · 10 min readWhat is Protocol-Oriented Programming in iOS and How It Differs from Object-Oriented Programming
Protocol-Oriented Programming is a paradigm that shifts the focus from what an object is (its class) to what an object can do (its capabilities).
iOS Development · 7 min readFollow along
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