Agent skill

kpi-delta

Configure KPI delta displays in drizzle-cube dashboards for showing metrics with change indicators and trends. Use when displaying KPIs with trends, growth rates, or comparison to previous period.

View SKILL.md on GitHub Repository
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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/kpi-delta

SKILL.md

KPI Delta Configuration

Configure KPI delta displays for drizzle-cube dashboards. KPI delta shows a metric value with its change/delta from a previous period, including visual trend indicators.

Chart Type

typescript
chartType: 'kpiDelta'

Basic Configuration

typescript
{
  id: 'kpi-delta-1',
  title: 'Monthly Revenue',
  query: JSON.stringify({
    measures: ['Sales.totalRevenue'],
    timeDimensions: [{
      dimension: 'Sales.date',
      granularity: 'month',
      dateRange: 'last 2 months'
    }]
  }),
  chartType: 'kpiDelta',
  chartConfig: {
    yAxis: ['Sales.totalRevenue'],
    xAxis: ['Sales.date']
  },
  displayConfig: {
    prefix: '$',
    decimals: 2,
    showHistogram: true
  },
  x: 0, y: 0, w: 3, h: 2
}

Chart Configuration (chartConfig)

yAxis (Value)

  • Type: string[]
  • Required: Yes
  • Max Items: 1
  • Purpose: The measure to display and calculate delta for
  • Example: ['Sales.totalRevenue']

xAxis (Optional - Ordering)

  • Type: string[]
  • Optional: Yes
  • Max Items: 1
  • Purpose: Dimension for ordering data points (typically time dimension)
  • Example: ['Sales.date']

Display Configuration (displayConfig)

prefix

  • Type: string
  • Default: ''
  • Purpose: Text before number
  • Example: '$', '€'

suffix

  • Type: string
  • Default: ''
  • Purpose: Text after number
  • Example: '%', ' users'

decimals

  • Type: number
  • Default: 0
  • Purpose: Decimal places

positiveColorIndex

  • Type: number
  • Default: 2 (green)
  • Purpose: Color for positive delta

negativeColorIndex

  • Type: number
  • Default: 0 (red)
  • Purpose: Color for negative delta

showHistogram

  • Type: boolean
  • Default: true
  • Purpose: Show mini trend chart

Examples

Revenue Growth

typescript
{
  id: 'revenue-growth',
  title: 'Monthly Revenue',
  query: JSON.stringify({
    measures: ['Sales.totalRevenue'],
    timeDimensions: [{
      dimension: 'Sales.date',
      granularity: 'month',
      dateRange: 'last 2 months'
    }]
  }),
  chartType: 'kpiDelta',
  chartConfig: {
    yAxis: ['Sales.totalRevenue'],
    xAxis: ['Sales.date']
  },
  displayConfig: {
    prefix: '$',
    decimals: 2,
    showHistogram: true
  },
  x: 0, y: 0, w: 3, h: 2
}

User Growth

typescript
{
  id: 'user-growth',
  title: 'Active Users',
  query: JSON.stringify({
    measures: ['Users.activeCount'],
    timeDimensions: [{
      dimension: 'Activity.date',
      dateRange: 'last 2 weeks',
      granularity: 'week'
    }]
  }),
  chartType: 'kpiDelta',
  chartConfig: {
    yAxis: ['Users.activeCount'],
    xAxis: ['Activity.date']
  },
  displayConfig: {
    suffix: ' users',
    decimals: 0,
    showHistogram: true
  },
  x: 3, y: 0, w: 3, h: 2
}

Conversion Rate

typescript
{
  id: 'conversion-delta',
  title: 'Conversion Rate',
  query: JSON.stringify({
    measures: ['Analytics.conversionRate'],
    timeDimensions: [{
      dimension: 'Analytics.date',
      dateRange: 'last 2 months',
      granularity: 'month'
    }]
  }),
  chartType: 'kpiDelta',
  chartConfig: {
    yAxis: ['Analytics.conversionRate'],
    xAxis: ['Analytics.date']
  },
  displayConfig: {
    suffix: '%',
    decimals: 1,
    positiveColorIndex: 2,
    negativeColorIndex: 0
  },
  x: 6, y: 0, w: 3, h: 2
}

Use Cases

  • Growth Tracking: Show metric growth over time
  • Performance Monitoring: Track KPI changes
  • Trend Indicators: Display up/down trends
  • Comparison Metrics: Compare to previous periods

Best Practices

  1. Use 2 time periods - Query should return current and previous period
  2. Consistent time ranges - Use same granularity for comparison
  3. Meaningful deltas - Choose appropriate comparison period
  4. Color consistency - Green for positive, red for negative (or reverse if lower is better)
  5. Show histogram - Provides visual trend context

Related Skills

  • Use kpi-number for simple metrics
  • Use line-chart for detailed trends
  • Use queries skill for time-based comparisons

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