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 4,460 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)

Data as of Oct 26, 2026 from the GitHub API; description from the project's repository. Report an error

Official
Other
MIT
Active

View on GitHub

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 language that lets AI agents reliably create expressive, good-looking and interactive charts from simple, human-editable chart specs. It is available as an MCP server for everyday use with your agent, and as an npm library for building interactive applications.

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

Key facts

GitHub stars	4,460
License	MIT
Language	TypeScript
Transport	stdio (local)
Packages	npm: `flint-chart-mcp`
Auth	None declared
Works with	Claude Desktop, Claude Code, Cursor and VS Code
Latest release	1.0 (Oct 21, 2026)
Last commit	Oct 21, 2026

Project health

ActiveActive: last commit Oct 21, 2026, last release Oct 21, 2026.

Regular releases7 releases in 12 months
Security policyPublishes a security policy on GitHub

Raw inputs behind the health label
Last commit	Oct 21, 2026
Latest release	1.0 (Oct 21, 2026)
Releases, last 12 months	7
Releases, all time	7
Open issues	17
Open pull requests	20
Good first issues	0
Contributing guide	Yes
Security policy	Yes
Created	May 13, 2026

Health as of Oct 26, 2026, from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error

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FAQ

Flint Chart FAQ

Still curious? Email info@appsgit.com.

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 Oct 21, 2026. The latest release is 1.0, published Oct 21, 2026. appsgit only lists MCP servers with a commit in the last six months.