mcp-server-motherduck 0.1.0

A MCP server for MotherDuck

mcp-server-motherduck MCP server

A MCP server for MotherDuck

Components

Resources

Prompts

Tools

The server implements one tool:

• read-query-motherduck: Executes a single SQL SELECT statement on MotherDuck and retrieves the result
  • Takes "query" as required string arguments

Configuration

Set MotherDuck token as environment variable: export motherduck_token='<token>'

Quickstart

Install

Claude Desktop

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

Development/Unpublished Servers Configuration

``` "mcpServers": { "mcp-server-motherduck": { "command": "uv", "args": [ "--directory", "/Users//mcp-server/mcp-server-motherduck", "run", "mcp-server-motherduck" ] } } ```

Published Servers Configuration

``` "mcpServers": { "mcp-server-motherduck": { "command": "uvx", "args": [ "mcp-server-motherduck" ] } } ```

Development

Building and Publishing

To prepare the package for distribution:

1. Sync dependencies and update lockfile:

uv sync

2. Build package distributions:

uv build

This will create source and wheel distributions in the dist/ directory.

3. Publish to PyPI:

uv publish

Note: You'll need to set PyPI credentials via environment variables or command flags:

• Token: --token or UV_PUBLISH_TOKEN
• Or username/password: --username/UV_PUBLISH_USERNAME and --password/UV_PUBLISH_PASSWORD

Debugging

Since MCP servers run over stdio, debugging can be challenging. For the best debugging experience, we strongly recommend using the MCP Inspector.

You can launch the MCP Inspector via npm with this command:

npx @modelcontextprotocol/inspector uv --directory /Users/doehmen/Documents/Research/docs/ai-playground/mcp-server/mcp-server-motherduck run mcp-server-motherduck

Upon launching, the Inspector will display a URL that you can access in your browser to begin debugging.