ChartGen AI Chart Generator

AI-powered chart generator that creates professional visualizations through natural language. Built on ChartGen AI engine.

Overview

Transform your data into stunning, interactive charts with simple natural language commands. No coding required - just describe the chart you want, and ChartGen AI generates it instantly.

This skill supports Text-to-Chart, Text-to-SQL, and Text-to-Data analysis. Simply provide Excel/CSV files or JSON data, describe your visualization needs in plain language, and get interactive ECharts visualizations, structured analysis reports, and AI-driven insights.

Powered by ChartGen AI engine, supporting multiple chart types including bar, line, pie, scatter, area, and more. Optimized for business analytics and data storytelling.

API Service: This skill uses the ChartGen API service hosted at chartgen.ai. All data is sent to https://chartgen.ai/api/platform_api/ for processing.

Quick Start

1. Apply for an API Key

You can easily create and manage your API Key at chartgen.ai. To begin with, you need to register for an account.

Steps:

1. 1. Visit chartgen.ai and sign up for an account
2. Access the API management dashboard
3. Create a new API and set the credit consumption limit
4. Copy the API Key for use

2. Configure Environment Variable

CODEBLOCK0

3. Run Scripts

CODEBLOCK1

Credit Rules

• - Calling a single tool consumes 20 credits
• You get 200 free credits per month for free accounts
• When credits run out, you can purchase more or upgrade your account on the chartgen.ai Billing page

Scripts Reference

Parameters

Common Parameters

Visualization Specific Parameters

Data Format

File Format

Supports .xlsx, .xls, .csv Excel and CSV files.

Note: Only one of --file or --json is needed. If both are provided, --file takes precedence. File types support both row-metric-column data files and column-metric-row data files.

JSON Format

JSON data should be an array format, where each element is a row of data:

CODEBLOCK2

Or pass via file:

CODEBLOCK3

Usage Examples

Chart Generation (Text-to-Chart)

CODEBLOCK4

Data Analysis

CODEBLOCK5

Insight Generation

CODEBLOCK6

Supported Chart Types

• - Bar Chart / Stacked Bar Chart
• Line Chart / Area Chart
• Pie Chart / Donut Chart
• Scatter Plot
• And more...

Output Description

Chart Generation

1. 1. Console Output: ECharts configuration JSON
2. HTML File: Interactive chart that can be opened in any browser

Data Analysis & Insight Generation

Returns Markdown format text results, including analysis conclusions, data tables, and insights.

Error Handling

Common errors and solutions:

Technical Details

• - API Base URL: INLINECODE16
• Authentication: Header INLINECODE17
• Request Format: JSON
• Timeout: 60 seconds
• Required Environment Variable: INLINECODE18

See scripts/chartgen_api.py for implementation details.

Privacy Notice

Data sent to remote API: This skill reads your provided data files (CSV/XLSX/JSON), base64-encodes them, and sends them to the ChartGen API at https://chartgen.ai/api/platform_api/ for analysis and chart generation. Your data will leave your machine.

Recommendations:

• - Do not upload sensitive or regulated data
• Use a dedicated API key with limited scope/credits
• Review the privacy practices at chartgen.ai before use