Context
Jeremy Howard proposed /llms.txt as a concise way to provide LLMs and agents with curated, readable site information.
What changed
A machine-oriented publishing convention was proposed specifically for LLM consumption.
Why it matters
It reflects growing demand for content representations optimized for machine readers, although it is not an established web standard.
Visibility OS interpretation
Track adoption and evidence separately from promotional claims about llms.txt effectiveness.
What remains uncertain
No event-specific uncertainty note is recorded yet. This record may change as new evidence is reviewed.