Blog

Frame-by-frame playback of a real MCP client: where the thread goes when a coroutine freezes at await, why gather makes two requests overlap, and why the design has to be this way. Built with Claude Code.

Notes on Anthropic's "When AI builds itself": recursive self-improvement is just better tools, and the real limit inside a company is capacity, not capability.

The function is durable, the title probably isn't — and the durable half of the value is the least portable half.

Three things I'm building in myself — a mental model of tech, judging my own judgement, and taste.

Three ideas that all point the same way: in the AI era, understanding is the bottleneck — not typing speed.

Two functions that both "wait two seconds." One freezes the thread; the other lets it keep working. Plus an interactive timeline.

Why I start from the workflow, not the model — and the pattern that keeps working.