ReddRadar
Agent skill
typography-calculator
Calculate typography scales, metrics, and responsive font sizing
Install this agent skill to your Project
npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/ux-ui-design/skills/typography-calculator
SKILL.md
Typography Calculator Skill
Purpose
Calculate typography scales and metrics for design systems, including modular scales, line heights, and responsive font sizing.
Capabilities
- Generate type scales (modular, golden ratio, major third, etc.)
- Calculate optimal line heights for readability
- Generate responsive font sizing with fluid typography
- Calculate vertical rhythm and baseline grids
- Generate font-size/line-height pairings
- Create typography tokens
Target Processes
- design-system.js
- component-library.js (typographySystemDesignTask)
- responsive-design.js (responsiveTypographySpacingTask)
Integration Points
- type-scale.com algorithms
- CSS clamp() for fluid typography
- Modular scale calculations
Input Schema
{
"type": "object",
"properties": {
"baseSize": {
"type": "number",
"default": 16,
"description": "Base font size in pixels"
},
"scaleRatio": {
"type": "string",
"enum": ["minor-second", "major-second", "minor-third", "major-third", "perfect-fourth", "augmented-fourth", "perfect-fifth", "golden-ratio"],
"default": "perfect-fourth"
},
"steps": {
"type": "number",
"default": 6,
"description": "Number of scale steps above and below base"
},
"lineHeightRatio": {
"type": "number",
"default": 1.5,
"description": "Base line height ratio"
},
"fluidTypography": {
"type": "boolean",
"default": true
},
"minViewport": {
"type": "number",
"default": 320
},
"maxViewport": {
"type": "number",
"default": 1440
}
},
"required": ["baseSize"]
}
Output Schema
{
"type": "object",
"properties": {
"scale": {
"type": "array",
"description": "Typography scale with sizes"
},
"lineHeights": {
"type": "object",
"description": "Optimal line heights for each size"
},
"fluidSizes": {
"type": "object",
"description": "CSS clamp values for fluid typography"
},
"verticalRhythm": {
"type": "object",
"description": "Vertical rhythm calculations"
},
"tokens": {
"type": "object",
"description": "Typography design tokens"
}
}
}
Usage Example
const result = await skill.execute({
baseSize: 16,
scaleRatio: 'perfect-fourth',
steps: 6,
fluidTypography: true,
minViewport: 320,
maxViewport: 1440
});
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