mcp-vegalite-server

92 stars PythonServers & Infrastructure Updated Oct 31, 2025

Documentation

Data Visualization MCP Server

Overview

A Model Context Protocol (MCP) server implementation that provides the LLM an interface for visualizing data using Vega-Lite syntax.

Components

Tools

The server offers two core tools:

`save_data`
`visualize_data`

Usage with Claude Desktop

python

# Add the server to your claude_desktop_config.json
{
  "mcpServers": {
    "datavis": {
        "command": "uv",
        "args": [
            "--directory",
            "/absolute/path/to/mcp-datavis-server",
            "run",
            "mcp_server_datavis",
            "--output_type",
            "png" # or "text"
        ]
    }
  }
}

Frequently asked questions

What is mcp-vegalite-server?

mcp-vegalite-server is a Model Context Protocol (MCP) server listed in the TrackMCP directory.

How do I install mcp-vegalite-server?

Open the GitHub repository and follow its README. Most MCP servers are added to your client's MCP config, then called by your agent.

Is mcp-vegalite-server open source?

Yes — it is hosted on GitHub at https://github.com/isaacwasserman/mcp-vegalite-server and has 92 stars.

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