mcp-server-chart/__tests__/charts/bar.json at c4562507acd0722d379af2ebad42d2f2c648c720 · antvis/mcp-server-chart · GitHub

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{
  "name": "generate_bar_chart",
  "description": "Generate a horizontal bar chart to show data for numerical comparisons among different categories, such as, comparing categorical data and for horizontal comparisons.",
  "inputSchema": {
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "properties": {
      "data": {
        "type": "array",
        "minItems": 1,
        "items": {
          "type": "object",
          "properties": {
            "category": {
              "type": "string"
            },
            "value": {
              "type": "number"
            },
            "group": {
              "type": "string"
            }
          },
          "required": ["category", "value"]
        },
        "description": "Data for bar chart, such as, [{ category: '分类一', value: 10 }, { category: '分类二', value: 20 }], when grouping or stacking is needed for bar, the data should contain a `group` field, such as, when [{ category: '北京', value: 825, group: '油车' }, { category: '北京', value: 1000, group: '电车' }]."
      },
      "group": {
        "type": "boolean",
        "default": false,
        "description": "Whether grouping is enabled. When enabled, bar charts require a 'group' field in the data. When `group` is true, `stack` should be false."
      },
      "stack": {
        "type": "boolean",
        "default": true,
        "description": "Whether stacking is enabled. When enabled, bar charts require a 'group' field in the data. When `stack` is true, `group` should be false."
      },
      "style": {
        "description": "Custom style configuration for the chart.",
        "properties": {
          "backgroundColor": {
            "description": "Background color of the chart, such as, '#fff'.",
            "type": "string"
          },
          "palette": {
            "description": "Color palette for the chart, it is a collection of colors.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "texture": {
            "default": "default",
            "description": "Set the texture for the chart, optional, default is 'default'. 'rough' refers to hand-drawn style.",
            "enum": ["default", "rough"],
            "type": "string"
          }
        },
        "type": "object"
      },
      "theme": {
        "default": "default",
        "description": "Set the theme for the chart, optional, default is 'default'.",
        "enum": ["default", "academy", "dark"],
        "type": "string"
      },
      "width": {
        "type": "number",
        "description": "Set the width of chart, default is 600.",
        "default": 600
      },
      "height": {
        "type": "number",
        "description": "Set the height of chart, default is 400.",
        "default": 400
      },
      "title": {
        "type": "string",
        "default": "",
        "description": "Set the title of chart."
      },
      "axisXTitle": {
        "type": "string",
        "default": "",
        "description": "Set the x-axis title of chart."
      },
      "axisYTitle": {
        "type": "string",
        "default": "",
        "description": "Set the y-axis title of chart."
      }
    },
    "required": ["data"]
  }
}