Chartforge MCP server

by chartforgeai.com·com.chartforgeai/chartforge·v0.1.4

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

C65/100grade C

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Safety scan

C65/100

full report

Adoption

New

0 stars66 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Chartforge tools (3)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

generate_chart
Generate a stunning, publication-quality chart or diagram from a natural language description. Returns a PNG image.
list_styles
List available chart style presets with descriptions.
refine_chart
Modify an existing chart. Provide the chart ID from a previous generation and describe what to change.

Public scan report

scanner v0.1.9 · 2026-09-26 · same rubric, same numbers if you re-run it

no findings

Code scan2 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 164 days ago8/15
Maintainer identitynamespace and repository owner differ3/10

Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

How Chartforge compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 65/100; higher than 20% of 48,255 servers
Tools: 3; the typical server has 7
Tools that change things: 0%; typical: 0%. Fewer write tools means less an agent can break
Downloads a week: 66; more than 52% of 12,191 servers with a package

What its tools let an agent do: 2 read · 1 create

Install Chartforge in Claude Code, Cursor or VS Code

Runs npx -y chartforge-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add chartforge -- npx -y chartforge-mcp

Add to Cursor

What the publisher says

From the Chartforge repository's README, as published. We do not edit it. Read it 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 claudedesktopconfig.json:

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

Environment Variables

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"

Nothing above is checked by us. What we check is on the safety report.

Chartforge: common questions

Is Chartforge MCP server safe?: With care: it is graded C, so read the findings first (65/100). Read the Chartforge safety report
How do I install Chartforge?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Chartforge need an API key?: Yes. The registry entry asks for CHARTFORGE_API_KEY.
Is Chartforge maintained?: The last commit was 202 days ago (2026-04-16). The latest release is v0.1.4.
How does Chartforge compare with other MCP servers?: safety score 65/100 (higher than 20% of 48,255 servers); tools 3 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.