the art of simplicity

Writing about software, food, life.

Britain, Bottom to Top: History and Wild Beauty 🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿

Two weeks driving from London to Edinburgh for our 30th anniversary - the Roman Baths, the Ultra-Trail Snowdonia (UTMB) 25K, the Isle of Skye's wind, Highland cows, and Coy finally playing the Old Course at St Andrews.

Posted by the art of simplicity on Sunday, May 31, 2026

Mud, Mist, and Mountains: The UTMB Snowdonia 25K

Racing the UTMB Snowdonia 25K (Ultra-Trail Snowdonia by UTMB) in Eryri National Park, Wales - 4,600 feet of climbing, a strict mandatory gear check, a soaked and muddy course, and a warning about waterproof jackets.

Posted by the art of simplicity on Sunday, May 17, 2026

The Harness Engineering Cheat Sheet

A quick comparative tour through how OpenAI, Anthropic, Google, Microsoft, Shopify, and Stripe each approach the same problem: keeping coding agents on the rails.

Posted by the art of simplicity on Tuesday, April 28, 2026

I Built an AI Ultrarunner to QA My App

How I set up a Claude Code agent to explore my race tracking app as a real user every week — and it found real bugs on its first run.

Posted by the art of simplicity on Wednesday, March 11, 2026

Avalon 50 Miles

Returning to Catalina Island to take on the 50-mile distance at the Avalon 50/50 Benefit Run

Posted by the art of simplicity on Saturday, January 10, 2026