Writing from the Header team — synthesis, agents, and the infrastructure behind it.
X accounts as a Pro source: original posts only, no retweets or replies, synthesized into your briefings. Plus what per-post API billing does to your architecture.
A Chrome extension for the two moments Header was missing: finding something worth following, and drowning in tabs you'll never read.
Why an LLM-defined feed let me follow the USMNT's World Cup run without drowning in sports content — a small case study in taking back your attention.
Why we're publishing in the open — and how this blog is built to be read by humans and agents alike.