chart-skill

Generate publication-grade charts and data visualizations from YAML specs. Use whenever the user needs charts, graphs, plots, or data visualizations for markdown documents, papers, reports, or presentations. Renders YAML Vega-Lite specs to SVG with themed styling (colors, fonts, labels, axes). Supports bar, line, area, scatter, stacked, and multi-series charts with automatic value labels. Always use this skill when creating any data visualization or chart image.