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MCP server for ChartForge — generate stunning charts and diagrams from natural language
About
MCP server for ChartForge — generate stunning charts and diagrams from natural language
Security Report
The ChartForge MCP server is a straightforward chart generation tool with reasonable authentication via API key. However, it has several concerning gaps: the API key is optional (falls back to empty string), lacks input validation on numeric parameters that could cause resource abuse, and provides no error handling for malformed API responses. The server's permissions (network HTTP, environment variables) are appropriate for its purpose, but the implementation quality issues and missing security controls warrant attention before production use. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.
3 files analyzed · 9 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: CHARTFORGE_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"com-chartforgeai-chartforge": {
"env": {
"CHARTFORGE_API_KEY": "your-chartforge-api-key-here"
},
"args": [
"-y",
"chartforge-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
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:
{
"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 chartstyle(optional): Style preset —midnight,frost,ember,minimal,corporate,neon,lightwidth(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 generationmodification(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"
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