teachingai/pencil-ui-design-system-echarts
skills/pencil-skills/pencil-ui-design-system-echarts/SKILL.md
Initialize ECharts chart theme tokens and data visualization placeholder frames in a Pencil .pen file. Use when the user mentions Pencil with ECharts, needs to set up chart color palette and axis tokens, or wants to create placeholder frames for Line, Bar, Pie, Radar, and other ECharts chart types.
$ install --global
skillsauthnpx skillsauth add teachingai/agent-skills pencil-ui-design-system-echartsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- pencil-ui-design-system-echarts
- description:
- Initialize ECharts chart theme tokens and data visualization placeholder frames in a Pencil .pen file. Use when the user mentions Pencil with ECharts, needs to set up chart color palette and axis tokens, or wants to create placeholder frames for Line, Bar, Pie, Radar, and other ECharts chart types.
- license:
- Complete terms in LICENSE.txt
ECharts Design System Initializer
Constraint: Only use this skill when the user explicitly mentions "Pencil" and "ECharts" or when orchestrating a Pencil design system initialization task for charts.
When to use this skill
Use this skill when:
- The user wants to initialize ECharts chart theme tokens (colors, axis, text) in a Pencil .pen file
- The user needs placeholder frames for ECharts chart types (Line, Bar, Pie, Scatter, Radar, Gauge)
- The user mentions "Pencil" together with "ECharts" or chart visualization components
- An orchestrator skill (pencil-ui-designer) routes an ECharts initialization request
How to use this skill
This skill outputs a PENCIL_PLAN. The Agent then calls Pencil MCP tools in order: open_document, set_variables, batch_design, optionally get_screenshot.
Step 1: Initialize Variables (set_variables)
Use mcp__pencil__set_variables to register ECharts-related design tokens (chart theme colors, font). Follow .pen file schema.
Chart colors (palette)
echarts-color-1:#5470c6echarts-color-2:#91cc75echarts-color-3:#fac858echarts-color-4:#ee6666echarts-color-5:#73c0de
Axis / grid / text
echarts-axis-line-color:#6e7079echarts-split-line-color:#e0e6f1echarts-text-color:#6e7079echarts-font-size:12px
Fill from ECharts theme docs if more tokens are needed.
Step 2: Create Component Overview Structure (batch_design)
Use mcp__pencil__batch_design to create a "Charts Overview" frame with placeholder sections for chart types (data-viz components):
- Basic Charts (基础图表)
- Line, Bar, Pie, Scatter, Radar, Gauge
- Complex Charts (复杂图表)
- Candlestick, Heatmap, Tree, Treemap, Sunburst, Parallel, Sankey, Funnel, PictorialBar
- Containers (容器)
- Chart container placeholder, Legend placeholder, Grid placeholder
Organize frames using Auto Layout. Keep each batch_design call to maximum 25 operations.
Example: Initialize ECharts Variables
{
"name": "set_variables",
"arguments": {
"filePath": "designs/dashboard.pen",
"replace": false,
"variables": {
"echarts-color-1": "#5470c6",
"echarts-color-2": "#91cc75",
"echarts-color-3": "#fac858",
"echarts-color-4": "#ee6666",
"echarts-axis-line-color": "#6e7079",
"echarts-text-color": "#6e7079",
"echarts-font-size": "12px"
}
}
}
Best Practices
- Verify token values against ECharts theme documentation.
- Use
set_variableswithreplace: falseunless a full reset is requested. - Chart "components" here are placeholder frames for layout; actual chart config is code-side.
- Keep each
batch_designcall to maximum 25 operations.
Keywords
pencil, echarts, chart, design system, init, variables, data visualization
References
references/contract.md– Design tokens and chart type naming.references/official.md– Link to official documentation.references/examples.md– Example PENCIL_PLAN.references/components.md– Chart type specifications.
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