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Gretl MCP

io.github.OndrejLapes/gretl-mcp · v0.2.1

Run Hansl/Gretl econometrics workflows via MCP with GUI launch and artifacts.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add gretl-mcp -e GRETL_CLI=<GRETL_CLI> -e GRETL_GUI=<GRETL_GUI> -e GRETLMCP_WORKSPACE_DIR=<GRETLMCP_WORKSPACE_DIR> -e GRETLMCP_OPEN_GUI=<GRETLMCP_OPEN_GUI> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "gretl-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "GRETL_CLI": "<GRETL_CLI>",
        "GRETL_GUI": "<GRETL_GUI>",
        "GRETLMCP_WORKSPACE_DIR": "<GRETLMCP_WORKSPACE_DIR>",
        "GRETLMCP_OPEN_GUI": "<GRETLMCP_OPEN_GUI>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "gretl-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "GRETL_CLI": "<GRETL_CLI>",
        "GRETL_GUI": "<GRETL_GUI>",
        "GRETLMCP_WORKSPACE_DIR": "<GRETLMCP_WORKSPACE_DIR>",
        "GRETLMCP_OPEN_GUI": "<GRETLMCP_OPEN_GUI>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "gretl-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "GRETL_CLI": "<GRETL_CLI>",
        "GRETL_GUI": "<GRETL_GUI>",
        "GRETLMCP_WORKSPACE_DIR": "<GRETLMCP_WORKSPACE_DIR>",
        "GRETLMCP_OPEN_GUI": "<GRETLMCP_OPEN_GUI>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
GRETL_CLI
Optional		Optional explicit path to gretlcli or gretlcli.exe.
GRETL_GUI
Optional		Optional explicit path to the visible Gretl GUI executable.
GRETLMCP_WORKSPACE_DIR
Optional		Optional parent directory for Gretl run workspaces and generated artifacts.
GRETLMCP_OPEN_GUI
Optional		Set to false to prevent script-running tools from opening visible Gretl GUI windows by default.

Details

Package[email protected] (NPM, stdio)
First published15 May 2026
Last updated15 May 2026
Registry nameio.github.OndrejLapes/gretl-mcp

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