How do I use MCP Analyst?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@MCP Analyst Show me the distribution of ages in the dataset" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

MCP Analyst

MCP Analyst is an MCP server that empowers claude to analyze local CSV or Parquet files.

Use this server when your dataset size is bigger than the context window or you don't want to upload full file to optimize the cost.

Installation

Install uv

uv is required to run the MCP server.

Mac

brew install uv

Windows

winget install --id=astral-sh.uv  -e

Add servers in MCP

To use the server in Claude you would need to update the Claude config

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json On Windows: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "analyst": {
      "command": "uvx",
      "args": [
        "mcp-analyst",
        "--file_location",
        "<replace_this_with_path_to_csv_or_parquet_files_on_your_machine>"
      ]
    }
  }
}

How do I provide more than one CSV file?

The server supports the using globs in the file location. So for example if your directory data has more than one csv file then you can give file-location as <parent_path_to_data>/data/*.csv