[
  {
    "name": "render_metrics",
    "description": "Render a metric card dashboard showing KPIs, stats, and numerical summaries.",
    "inputSchema": {
      "type": "object",
      "properties": {
        "title": {
          "type": "string",
          "description": "Title displayed at the top of the dashboard"
        },
        "metrics": {
          "type": "array",
          "description": "Array of metric objects to display as cards",
          "items": {
            "type": "object",
            "properties": {
              "label": { "type": "string", "description": "Metric name" },
              "value": { "type": "string", "description": "Metric value" },
              "change": { "type": "string", "description": "Change indicator, e.g. '+12.5%'" },
              "change_type": { "type": "string", "enum": ["up", "down", "neutral"], "description": "Direction of change" }
            },
            "required": ["label", "value"]
          }
        }
      },
      "required": ["title", "metrics"]
    },
    "_meta": {
      "ui": {
        "resourceUri": "ui://data-dashboard/metrics"
      }
    }
  },
  {
    "name": "render_chart",
    "description": "Render a single ECharts chart. Supports line, bar, pie, radar, scatter, and gauge chart types.",
    "inputSchema": {
      "type": "object",
      "properties": {
        "title": {
          "type": "string",
          "description": "Chart title"
        },
        "chart_type": {
          "type": "string",
          "enum": ["line", "bar", "pie", "radar", "scatter", "gauge"],
          "description": "Type of chart to render"
        },
        "data": {
          "type": "object",
          "description": "Chart data object",
          "properties": {
            "categories": {
              "type": "array",
              "items": { "type": "string" },
              "description": "X-axis labels (for line, bar, radar)"
            },
            "series": {
              "type": "array",
              "description": "Array of data series",
              "items": {
                "type": "object",
                "properties": {
                  "name": { "type": "string", "description": "Series name" },
                  "data": { "type": "array", "description": "Data values" }
                },
                "required": ["name", "data"]
              }
            }
          },
          "required": ["series"]
        },
        "width": {
          "type": "string",
          "description": "CSS width. Default: '100%'",
          "default": "100%"
        },
        "height": {
          "type": "string",
          "description": "CSS height. Default: '400px'",
          "default": "400px"
        },
        "stacked": {
          "type": "boolean",
          "description": "Stack series (line/bar). Default: false",
          "default": false
        },
        "smooth": {
          "type": "boolean",
          "description": "Smooth curves (line). Default: false",
          "default": false
        },
        "show_label": {
          "type": "boolean",
          "description": "Show data labels. Default: false",
          "default": false
        },
        "theme": {
          "type": "string",
          "enum": ["light", "dark"],
          "description": "Color theme. Default: 'light'",
          "default": "light"
        }
      },
      "required": ["title", "chart_type", "data"]
    },
    "_meta": {
      "ui": {
        "resourceUri": "ui://data-dashboard/chart"
      }
    }
  },
  {
    "name": "render_multi_chart",
    "description": "Render multiple ECharts charts in a grid layout. Use for comprehensive overviews and business reports.",
    "inputSchema": {
      "type": "object",
      "properties": {
        "title": {
          "type": "string",
          "description": "Overall dashboard title"
        },
        "charts": {
          "type": "array",
          "description": "Array of chart objects",
          "items": {
            "type": "object",
            "properties": {
              "title": { "type": "string", "description": "Chart title" },
              "chart_type": { "type": "string", "enum": ["line", "bar", "pie", "radar", "scatter", "gauge"], "description": "Type of chart" },
              "data": {
                "type": "object",
                "description": "Chart data",
                "properties": {
                  "categories": { "type": "array", "items": { "type": "string" } },
                  "series": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "properties": {
                        "name": { "type": "string" },
                        "data": { "type": "array" }
                      },
                      "required": ["name", "data"]
                    }
                  }
                },
                "required": ["series"]
              },
              "height": { "type": "string", "default": "350px" },
              "stacked": { "type": "boolean", "default": false },
              "smooth": { "type": "boolean", "default": false },
              "show_label": { "type": "boolean", "default": false }
            },
            "required": ["title", "chart_type", "data"]
          }
        },
        "columns": {
          "type": "integer",
          "description": "Grid columns (1-4). Default: 2",
          "default": 2,
          "minimum": 1,
          "maximum": 4
        },
        "theme": {
          "type": "string",
          "enum": ["light", "dark"],
          "description": "Color theme. Default: 'light'",
          "default": "light"
        }
      },
      "required": ["title", "charts"]
    },
    "_meta": {
      "ui": {
        "resourceUri": "ui://data-dashboard/multi-chart"
      }
    }
  }
]