io.github.motherduckdb/mcp-server-motherduck

io.github.motherduckdb/mcp-server-motherduck

SQL analytics and data engineering for AI Assistants and IDEs

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mcp-server-motherduck": {
      "command": "uvx",
      "args": [
        "mcp-server-motherduck"
      ],
      "env": {
        "motherduck_token": "<your motherduck_token>",
        "MOTHERDUCK_TOKEN": "<your MOTHERDUCK_TOKEN>",
        "AWS_ACCESS_KEY_ID": "<your AWS_ACCESS_KEY_ID>",
        "AWS_SECRET_ACCESS_KEY": "<your AWS_SECRET_ACCESS_KEY>",
        "AWS_SESSION_TOKEN": "<your AWS_SESSION_TOKEN>"
      }
    }
  }
}
Environment variables
  • motherduck_tokensecretAccess token for MotherDuck connections (alternative to --motherduck-token)
  • MOTHERDUCK_TOKENsecretAccess token for MotherDuck connections (alternative to --motherduck-token)
  • AWS_ACCESS_KEY_IDsecretAWS access key for S3 database connections
  • AWS_SECRET_ACCESS_KEYsecretAWS secret access key for S3 database connections
  • AWS_SESSION_TOKENsecretAWS session token for temporary credentials

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.1.0
Registry
active
Published
10/7/2026

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