Charts

The built-in Charts tool creates chart visualizations directly in chat using Chart.js.

Current capabilities

The tool currently supports these chart types:

• bar
• line
• pie
• doughnut
• scatter
• bubble
• radar
• polarArea

Tool method

• builtin-create-chart
  • accepts Chart.js-compatible parameters (type, data, optional options)
  • returns a chart URL that can be rendered in assistant responses

Typical use cases

• KPI visualization from table values
• trend visualization over time series
• multi-category comparisons
• fast in-chat chart generation

Note

When rendering images from mgpt.link, append ?raw=true for reliable chart display.