create_bar_chart

Generate horizontal or vertical ASCII bar charts from numeric data arrays. Customize with labels, titles, dimensions, colors, and orientation for clear terminal-based visualizations.

Instructions

Create horizontal or vertical ASCII bar charts

Input Schema

Name	Required	Description
`color`	No	ANSI color name
`data`	Yes	Array of numeric values to plot
`height`	No	Chart height (5-50, default: 15)
`labels`	No	Optional labels for bars
`orientation`	No	Bar orientation (default: horizontal)
`title`	No	Optional chart title
`width`	No	Chart width (10-200, default: 60)

Input Schema (JSON Schema)

{
  "examples": {
    "comparison": {
      "data": [
        45,
        55,
        60,
        40,
        70
      ],
      "height": 18,
      "labels": [
        "Product A",
        "Product B",
        "Product C",
        "Product D",
        "Product E"
      ],
      "title": "Product Comparison",
      "width": 70
    },
    "horizontal": {
      "data": [
        85,
        67,
        54,
        92
      ],
      "labels": [
        "Frontend",
        "Backend",
        "DevOps",
        "QA"
      ],
      "orientation": "horizontal",
      "title": "Team Performance"
    },
    "vertical": {
      "color": "cyan",
      "data": [
        12,
        19,
        15,
        25,
        22,
        18
      ],
      "labels": [
        "Jan",
        "Feb",
        "Mar",
        "Apr",
        "May",
        "Jun"
      ],
      "orientation": "vertical",
      "title": "Monthly Sales"
    }
  },
  "properties": {
    "color": {
      "description": "ANSI color name",
      "optional": true,
      "type": "string"
    },
    "data": {
      "description": "Array of numeric values to plot",
      "items": {
        "type": "number"
      },
      "type": "array"
    },
    "height": {
      "description": "Chart height (5-50, default: 15)",
      "optional": true,
      "type": "number"
    },
    "labels": {
      "description": "Optional labels for bars",
      "items": {
        "type": "string"
      },
      "optional": true,
      "type": "array"
    },
    "orientation": {
      "description": "Bar orientation (default: horizontal)",
      "enum": [
        "horizontal",
        "vertical"
      ],
      "optional": true,
      "type": "string"
    },
    "title": {
      "description": "Optional chart title",
      "optional": true,
      "type": "string"
    },
    "width": {
      "description": "Chart width (10-200, default: 60)",
      "optional": true,
      "type": "number"
    }
  },
  "required": [
    "data"
  ],
  "type": "object"
}

MCP ASCII Charts

create_bar_chart

Instructions

Input Schema

Input Schema (JSON Schema)

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MCP directory API