Individual skill
illustration-ink-sketch
Draws hand-inked cartoon critters and living objects as SVG cards (480x360), each acting out a coding or design idea. Identified by thick black brush-pen outlines that swell and taper and break into separate strokes, loose marker-and-watercolour fills that slip past the line, diagonal hatching instead of solid shadow, huge googly eyes with two specular dots, and stray ink hairs and flecks, in tomato red, leaf green, sunflower yellow, sky blue and teal on white. Covers palette, brush numbers, mascot construction (eyes, blush, mouths, 3-finger hands), props, ground patches and a tested, seeded brush kit. Use when asked for ink sketch, hand-drawn, brush pen, sketchy, doodle, marker or watercolour-cartoon illustrations, googly-eyed mascots or critters, playful empty states, onboarding, 404 or error pages, loading states, blog headers, feature spots or marketing cards.
agent-skills/illustration/illustration-ink-sketch/SKILL.md
Source commit 5ea1661a0e05d82b054553daaa6baf6d0233c33c
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- Yes
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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- Repository stars (not skill ratings)
- 7,327
- Repository last updated
- Nov 8, 2026
- License
- MIT
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- engineering Derived category
- design Derived category
- marketing Derived category
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SKILL.mdcore · 18,455 bytesSKILL.mdcore · 18,455 bytesSKILL.mdcore · 18,455 bytesagents/openai.yamlasset · 274 bytesdemo/PROMPT.mddoc · 2,367 bytesdemo/index.htmlasset · 886,152 bytesdemo/preview.jpgasset · 123,937 bytesexamples/hello-world.svgasset · 229,189 bytesexamples/merge-conflict.svgasset · 317,124 bytesexamples/slow-build.svgasset · 330,885 bytesreferences/craft.mddoc · 10,528 bytesscripts/ink-kit.mjsruns · 38,009 bytesscripts/lint.mjsruns · 3,079 bytesscripts/render.mjsruns · 5,071 bytesstyle.jsonasset · 4,252 bytes
Read excerpt
# Illustration: Ink sketch
Sketchy, hand-inked cartoons: a googly-eyed critter or object (a snail, a pair of worms, a potted cactus) whose body carries the coding metaphor, drawn with a wobbly brush pen over loose marker colour. It suits playful product moments: loading, errors, greetings, conflicts.
Boundary: for clean, even ~2 px ink outlines on people with flat fills, use `illustration-outlined-cartoon`. For people drawn with a black brush marker and one mint second colour, use `illustration-two-colour-brush`. For soft, unoutlined cosy animals with grain, use `illustration-grainy-gouache`.
Extracted from a set of 42 original design-and-coding cards in 14 styles; the three cards in examples/ are this style's shipped cards.
## The look in one sentence
Every edge is a filled black brush polygon that swells from about 1 to 4.4 px and tapers to points, laid in a few separate strokes over a colour fill that slips 2 to 3.6 px past it, with dark areas hatched rather than filled.
## Palette
Measured from the examples. Each colour family is base / dark / light; the dark goes into mottle and marker streaks, the light into one lit streak.