Tufte-style charts

skill · published by agentleFS · version 1 · approved by frdchang@gmail.com on 2026-10-12

Clean, directly labelled charts from a JSON spec that read in light and dark mode: stacks, lines, slopegraphs, small multiples.

Mount

examples/readme-sections/multiples.spec.json

{
 "data": "themes.data.json",
 "title": "Each theme on its own",
 "subtitle": ["Average section headings per README, by theme, on one shared scale ({lo} to {hi:.1f})."],
 "columns": 4,
 "value_format": "{:.1f}",
 "footnote": ["Five public repos, each README read on Dec 31. Red: the theme’s share grew by more than 15%, blue: shrank by more than 15%."]
}