Observed arrival · 2026-09-28

rules.coffee: ten rules for honest coffee

rules.coffee Visit website

Editorial interest 81/100 Selection signal · not a rating of the site

A freely reusable public manifesto about what a cup of coffee should deliver, from accurate naming to clean equipment and fair payment.

Landing page captured for the 2026-09-28 issue.

For: Coffee drinkers and cafés adopting shared standards
Worth noticing: It specifies espresso at about 25 ml and 25 seconds, and gives a water-mineral range of 75–150 ppm.

Field notes

Individual rules pair short standards with explanations, including a suggested coffee freshness window of roughly one week to two months after roasting. The page also supplies local-rule and city-voting links; its displayed CC BY-SA 4.0 license accompanies an invitation to copy, translate, and print the manifesto.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

◉HumanPersonal, local, civic, or handmade

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