chart-image
CommunityCreate crisp charts from data in seconds.
Authorxukrutdonut
Version1.0.0
Installs0
System Documentation
What problem does it solve?
chart-image provides a lightweight, server-friendly way to generate publication-quality PNG charts from data without relying on browser-based rendering or external chart services, enabling automated reporting and dashboards.
Core Features & Use Cases
- Chart generation: Produce line, bar, and area charts from JSON data for reports and monitoring dashboards.
- Headless rendering: Runs in server/VPS environments without a browser.
- Output formats: Exports PNG images using Vega-Lite via Node.js and sharp.
- Use Case: Generate a daily KPI chart from a JSON feed and save it to /tmp/chart.png for automatic email reports.
Quick Start
Use the chart-image skill to generate a simple line chart from sample data: node /data/clawd/skills/chart-image/scripts/chart.mjs --type line --data '[{"x":"Jan","y":10},{"x":"Feb","y":12}]' --output /tmp/chart.png
Dependency Matrix
Required Modules
vegavega-litesharp
Components
scripts
💻 Claude Code Installation
Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.
Please help me install this Skill: Name: chart-image Download link: https://github.com/xukrutdonut/openclaw-skills/archive/main.zip#chart-image Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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