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Flint Chart

Flint Chart is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. 🪄 Flint is a visualization language that lets AI agents reliably create expressive, good-looking charts from simple, human-editable chart specs. It has 4,343 GitHub stars, is released under the MIT license and runs locally with npx -y flint-chart-mcp.

github.com/microsoft/flint-chart (opens in a new tab)

  • Official
  • Other
  • MIT
  • Actively maintained
View on GitHub (opens in a new tab)

Install Flint Chart

Generated from the server's published package. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "flint-chart": {
      "command": "npx",
      "args": [
        "-y",
        "flint-chart-mcp"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio flint-chart -- npx -y flint-chart-mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "flint-chart": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "flint-chart-mcp"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "flint-chart": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "flint-chart-mcp"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Flint Chart

Flint: A Visualization Language for the AI Era Flint is a visualization intermediate language that lets AI agents turn simple, human-editable chart specs into expressive, polished visualizations. Rather than requiring agents to hardcode verbose parameters for scales, axes, spacing, labels, and layout, Flint derives those decisions from a high-level semantic specification, the data, and an optional visual theme (e.g., New York Times, Economist, Swiss, and McKinsey).

  • ai-agents
  • data-visualization
  • charting-library
  • mcp-server

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FAQ

Flint Chart FAQ

Still curious? Email info@appsgit.com.

What is Flint Chart?

Flint Chart is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. 🪄 Flint is a visualization language that lets AI agents reliably create expressive, good-looking charts from simple, human-editable chart specs. It has 4,343 GitHub stars, is released under the MIT license and runs locally with npx -y flint-chart-mcp. The source code is at github.com/microsoft/flint-chart.

How do I install the Flint Chart MCP server?

Add the command npx -y flint-chart-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Flint Chart free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Flint Chart actively maintained?

The most recent commit was on Sep 23, 2026. The latest release is 0.5.1, published Aug 14, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.