technical blog
Agent runtimes, local infrastructure, open-source tools, and the business of Developer Relations.
all blog posts15 minutes from intent to implemented
A missing image-generation CLI became a tested public tool in fifteen minutes. That changes which small personal tools are worth making, and what a polished repository still proves.
July 2026Seven drafts started the same way
Seven of nine machine-written drafts began with In May, I… because a grounding rule had taught the model one easy way to signal provenance.
June 2026I built the agent runtime three times
I built three agent runtimes in five months. The first could not tell when the job was done, the second was trying to serve three different products, and in the third one transcript was doing six jobs.
June 2026Don't publish over an unresolved contradiction
Arcwell refuses to publish when two credible sources make incompatible claims the system has not resolved.
codex-swift
A native macOS Codex runtime with isolated workers, Keychain credentials, sandboxing, and persistent memory.
githubopen-cloud
A Cloudflare-compatible platform that keeps Workers, bindings, and their state on your own machine.
githubcode-search
Exact and BM25-ranked repository search for agents that do not yet know what the code calls things.
The boat at night
A pair of heavy loafers prompted a return to Sea Scout clothes, small boats and an older preference for objects that can be used without being protected from life.
June 2026Colour after the fire
Rotterdam rebuilt its centre with art in the streets. I knew Jan Gat and Gabo's steel construction long before I knew their names; the city taught me to look before I knew I was learning.
May 2026Where does London keep its old men?
London makes solitude easy; I still do not know where repeated public presence becomes acquaintance without anybody arranging it.
May 2026Speed-running taste
In sixteen expensive months I went from buying shirts by size to recognising oxford cloth by touch, after enough waste to understand what the education had cost.