com.chartforgeai/chartforge

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MCP server for ChartForge — generate stunning charts and diagrams from natural language

ChartForge MCP Server (com.chartforgeai/chartforge)

This MCP server integrates ChartForge to generate charts and diagrams from natural language. It is described as supporting chart creation “directly inside Claude,” and includes setup guidance for Claude Desktop via a claude_desktop_config.json entry. It also requires an API key provided through an environment variable.

🛠️ Key Features

Generate charts and diagrams from natural language
Produces publication-quality output (as stated in the readme excerpt)
Works within Claude via MCP

🚀 Use Cases

Creating charts and diagrams from text prompts
Using Claude to drive chart/diagram generation

⚡ Developer Benefits

Claude Desktop configuration via mcpServers with an npx command
Uses CHARTFORGE_API_KEY for authentication

⚠️ Limitations

Setup requires CHARTFORGE_API_KEY (marked “Yes” as required)
No additional tools or capabilities beyond chart/diagram generation are specified in the provided data

Topics

aichart-generatorchartsclaudedata-visualizationdiagramsmcpmcp-servermodel-context-protocol

README.md2 KBView on GitHub

ChartForge MCP Server

Generate stunning, publication-quality charts and diagrams from natural language — directly inside Claude.

Setup

Claude Desktop

Add this to your claude_desktop_config.json:

json

{
  "mcpServers": {
    "chartforge": {
      "command": "npx",
      "args": ["chartforge-mcp"],
      "env": {
        "CHARTFORGE_API_KEY": "your_api_key_here"
      }
    }
  }
}

Environment Variables

Variable	Required	Description
`CHARTFORGE_API_KEY`	Yes	Your API key from chartforgeai.com
`CHARTFORGE_API_URL`	No	Custom API URL (default: `https://chartforgeai.com`)

Tools

`generate_chart`

Generate a chart from a natural language description.

Parameters:

prompt (required): Description of the chart
style (optional): Style preset — midnight, frost, ember, minimal, corporate, neon, light
width (optional): Width in pixels (default: 1200)
height (optional): Height in pixels (default: 800)

`refine_chart`

Modify a previously generated chart.

Parameters:

chartId (required): Chart ID from a previous generation
modification (required): What to change

`list_styles`

List available style presets with descriptions.

Examples

"Create a bar chart showing quarterly revenue from $2M to $18M over 3 years"

"System architecture diagram for a microservices backend"

"Sankey diagram of marketing budget flow through channels to conversions"

Install

Configuration

Environment variables

CHARTFORGE_API_KEYsecret

Your ChartForge API key from chartforgeai.com

Add to VS Code Add to Cursor

claude_desktop_config.json