A free and open source math plotter, easy to pick up
Extract a design system from any website for AI
Stage
Established
Not given
Founded
2011
Not given
Based in
Not given
US
Pricing model
Open source
Freemium
Pricing
Not given
Free: 2 design packs a day without account, 5 per day with free account. Pro: $9 per month (or $90 per year) for 50 packs per month, any page of a site, private packs, MCP server and REST API.
Key features
Natural function notation like f(x) = 2 + cos(x)
Sequences from recurrence relations
Parametric equations with custom intervals
CSV data import and spreadsheet editing
Animated constants and variable families
Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
Grid customization with π multiples for ticks
Interactive navigation with drag and zoom
Multi-language support in 9 languages
Built-in manual and automatic work saving
DESIGN.md in Google's format describing colors, type, spacing, radii, shadows and components
BEHAVIOR.md covering hover, focus, tooltips, menus, motion, scrolling, tables, forms and dark mode
Screenshots at four widths: 1440, 1024, 768 and 390 pixels
W3C design tokens (DTCG) format for Style Dictionary and Figma plugins
CSS custom properties with all design values
Tailwind v4 theme block
SKILL.md for Claude Code and Cursor
MCP server integration for AI agents to fetch packs automatically
REST API with keys for automated access
Private packs accessible only to the user
What makes it different
Draws mathematical objects exactly as written on paper with natural notation
Handle CSV files of several million cells
Objects can build on each other in expressions
Exports with exact size in real centimeters
Fully free and open source under GNU AGPL license
Measured from live pages, not guessed from screenshots
Captures behavioral details like interactions and state changes, not just visual design
Free tier requires no account or card to try
AI agents can use Stylepack directly with Pro via MCP server
ZeGrapher
Stylepack