generate_range_column_chart

Create range column charts to visualize value ranges (min/max) across categories, enabling clear comparisons of distribution patterns. Output as image, HTML, or spec.

Instructions

Generate a range column chart to display the value range (such as minimum and maximum) for each category, suitable for comparing the range distribution across different categories.

Input Schema

Name	Required	Description	Default
`background`	No	Chart background color (hex). Optional, defaults to white.
`chartTheme`	No	Chart theme. Optional, defaults to 'light'.
`colorField`	No	Color grouping field. Should not duplicate the dimension field.
`colors`	No	Color palette for chart elements.
`dataTable`	Yes	Data for the range column chart, e.g., [{ category: 'Category 01', min: 10, max: 50 }].
`height`	No	Chart height. Optional, defaults to 500.
`output`	No	Chart output type. Defaults to 'image'.	image
`subTitle`	No	Chart subtitle text.
`title`	No	Chart title text.
`titleOrient`	No	Title position in the chart.
`width`	No	Chart width. Optional, defaults to 500.
`xAxisHasGrid`	No	Show vertical grid lines for the X-axis.
`xAxisHasLabel`	No	Show X-axis labels.
`xAxisHasTick`	No	Show X-axis ticks.
`xAxisOrient`	No	X-axis position in the chart.
`xAxisTitle`	No	X-axis title.
`xAxisType`	No	X-axis type: categorical ('band') or continuous ('linear').
`xField`	Yes	Dimension field. Must exist in the data.
`yAxisHasGrid`	No	Show horizontal grid lines for the Y-axis.
`yAxisHasLabel`	No	Show Y-axis labels.
`yAxisHasTick`	No	Show Y-axis ticks.
`yAxisOrient`	No	Y-axis position in the chart.
`yAxisTitle`	No	Y-axis title.
`yAxisType`	No	Y-axis type: categorical ('band') or continuous ('linear').
`yField`	Yes

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "background": {
      "description": "Chart background color (hex). Optional, defaults to white.",
      "type": "string"
    },
    "chartTheme": {
      "description": "Chart theme. Optional, defaults to 'light'.",
      "enum": [
        "light",
        "dark"
      ],
      "type": "string"
    },
    "colorField": {
      "description": "Color grouping field. Should not duplicate the dimension field.",
      "type": "string"
    },
    "colors": {
      "anyOf": [
        {
          "items": {
            "description": "Color value",
            "type": "string"
          },
          "type": "array"
        },
        {
          "type": "null"
        }
      ],
      "description": "Color palette for chart elements."
    },
    "dataTable": {
      "description": "Data for the range column chart, e.g., [{ category: 'Category 01', min: 10, max: 50 }].",
      "minItems": 1,
      "type": "array"
    },
    "height": {
      "description": "Chart height. Optional, defaults to 500.",
      "type": "number"
    },
    "output": {
      "default": "image",
      "description": "Chart output type. Defaults to 'image'.",
      "enum": [
        "spec",
        "image",
        "html"
      ],
      "type": "string"
    },
    "subTitle": {
      "description": "Chart subtitle text.",
      "type": "string"
    },
    "title": {
      "description": "Chart title text.",
      "type": "string"
    },
    "titleOrient": {
      "description": "Title position in the chart.",
      "enum": [
        "top",
        "left",
        "right",
        "bottom"
      ],
      "type": "string"
    },
    "width": {
      "description": "Chart width. Optional, defaults to 500.",
      "type": "number"
    },
    "xAxisHasGrid": {
      "description": "Show vertical grid lines for the X-axis.",
      "type": "boolean"
    },
    "xAxisHasLabel": {
      "description": "Show X-axis labels.",
      "type": "boolean"
    },
    "xAxisHasTick": {
      "description": "Show X-axis ticks.",
      "type": "boolean"
    },
    "xAxisOrient": {
      "description": "X-axis position in the chart.",
      "enum": [
        "bottom",
        "top"
      ],
      "type": "string"
    },
    "xAxisTitle": {
      "description": "X-axis title.",
      "type": "string"
    },
    "xAxisType": {
      "description": "X-axis type: categorical ('band') or continuous ('linear').",
      "enum": [
        "band",
        "linear"
      ],
      "type": "string"
    },
    "xField": {
      "description": "Dimension field. Must exist in the data.",
      "minLength": 1,
      "type": "string"
    },
    "yAxisHasGrid": {
      "description": "Show horizontal grid lines for the Y-axis.",
      "type": "boolean"
    },
    "yAxisHasLabel": {
      "description": "Show Y-axis labels.",
      "type": "boolean"
    },
    "yAxisHasTick": {
      "description": "Show Y-axis ticks.",
      "type": "boolean"
    },
    "yAxisOrient": {
      "description": "Y-axis position in the chart.",
      "enum": [
        "left",
        "right"
      ],
      "type": "string"
    },
    "yAxisTitle": {
      "description": "Y-axis title.",
      "type": "string"
    },
    "yAxisType": {
      "description": "Y-axis type: categorical ('band') or continuous ('linear').",
      "enum": [
        "band",
        "linear"
      ],
      "type": "string"
    },
    "yField": {
      "items": {
        "description": "Measure field. Must be numeric and exist in the data.",
        "minLength": 1,
        "type": "string"
      },
      "maxItems": 2,
      "minItems": 2,
      "type": "array"
    }
  },
  "required": [
    "dataTable",
    "xField",
    "yField"
  ],
  "type": "object"
}

vchart-mcp-server

generate_range_column_chart

Instructions

Input Schema

Input Schema (JSON Schema)

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