How Would You Know a Great Coffee Before You Roast It?
Coffee's quality signals are inconsistent, often unverifiable, and forgotten after every harvest. Wine and Warren Buffett show what a usable record of quality looks like.
8 posts on this topic
Coffee's quality signals are inconsistent, often unverifiable, and forgotten after every harvest. Wine and Warren Buffett show what a usable record of quality looks like.

Apps that people and agents can both use, judging automation by the work a crew can delegate, and coffees from Thailand and Yemen.

This week’s market stayed quiet while origin access, recovery, and support for producing communities moved to the foreground.
The specialty coffee world is split on whether co-fermented coffee belongs in competition. The more useful question is what processing transparency should require from everyone else.
The specialty coffee industry solved price transparency. The harder problem, product metadata, remains relationship-gated. Across 35 suppliers, disclosure ranges from 1 to 13 attributes per listing. That gap is not an accident; it is an economic structure with beneficiaries.
The coffee belt is a useful heuristic, but the tails of the distribution reveal where quality, risk, and long-term value are really heading.
The most interesting thing about the purveyors data pipeline isn't the scraping. It's the recursive feedback loop, and what it reveals about directing AI agents.
The green coffee supply chain is built for commercial buyers. If you're a hobbyist, you're an afterthought. That's the problem purveyors.io exists to solve.