A powerful data visualization tool that converts CSV or JSON files into interactive, professional ECharts HTML reports with real-time analysis features.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install viz-table
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install viz-table using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is viz-table?
The viz-table skill is a specialized utility within the Openclaw Skills ecosystem designed to bridge the gap between raw data and actionable insights. It parses local data files and generates a high-fidelity HTML dashboard featuring interactive charts powered by ECharts 5.
Beyond simple rendering, this skill provides a complete analytical environment including a statistical summary panel and a dynamic formula engine. It is ideal for developers and analysts who need to quickly prototype data dashboards or visualize local datasets without writing boilerplate frontend code.
viz-table Use Cases
- Rapidly visualizing CSV export data from databases or spreadsheets.
- Analyzing JSON API responses in a structured, graphical format.
- Generating automated daily performance reports with key metrics like growth rates.
- Performing ad-hoc data calculations using the built-in custom formula engine.
How viz-table Works
- The skill reads the specified CSV or JSON file from the local file system.
- It analyzes the data structure, identifying labels in the first column and numerical series in subsequent columns.
- It calculates key statistics for each numerical column, including totals, averages, and period-over-period growth.
- A self-contained HTML file is generated in the temporary directory using ECharts 5 and a professional corporate color palette.
- The skill automatically launches the system's default browser to display the interactive dashboard.
viz-table Setup
To use this skill within the Openclaw Skills framework, ensure you have the necessary file system permissions. No external dependencies are required as the skill pulls ECharts via CDN.
# Example usage to visualize a sales report
viz-table ./data/sales_2024.csv bar
viz-table Data Schema & Taxonomy
The skill handles data based on the file extension provided:
| Format | Structure Requirement |
|---|---|
| CSV | First row must be headers; First column is the X-axis label. |
| JSON | Must be an array of objects where keys represent headers. |
Generated Metadata:
- Output Path:
/tmp/viz-table-output.html - Libraries: ECharts v5.x (CDN)
- Stats calculated: Sum, Average, Max, Min, and WoW/MoM Growth Rate.
viz-table Advanced Features
- Multi-chart Switching: Seamlessly toggle between Bar, Line, Pie, and Donut views without reloading the page.
- Dynamic Formula Engine: Add new calculated columns (e.g., Profit Margin) directly within the browser using Excel-like formulas.
- Statistical Dashboard: Automatic rendering of summary cards for every numerical data series.
- Interactive Data Table: A zebra-striped raw data view synchronized with the visual charts.
SKILL.md
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