MCP server

MotherDuck / DuckDB MCP Server

Query local DuckDB files or MotherDuck cloud databases with SQL. Official: built and maintained by MotherDuck. It runs locally on your machine over stdio. Setup below for 12 clients (checked 2026-10-25). Repo and registry data checked 2026-10-24.
Maintainer
Official · MotherDuck
Runs
Local (stdio)
GitHub
★ 534, last push 2026-10-07 (checked 2026-10-24)
License
MIT
Registry
io.github.motherduckdb/mcp-server-motherduck
Connects to
DuckDB, MotherDuck

Install the MotherDuck / DuckDB MCP Server

Pick your client. Each tab starts the same local command. Config shapes checked against each client's docs on 2026-10-25.

Run in a terminal. Everything after -- is the command that starts the server. docs

claude mcp add --transport stdio motherduck-duckdb -- uvx mcp-server-motherduck

Security notes

  • The local server runs with your user's permissions (uvx downloads it from PyPI on first run).
  • Connect it to a development database or a read-only user first: the model can run writes and deletes if the credentials allow them.
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Comparing servers for one product? DuckDB MCP servers · MotherDuck MCP servers

FAQ

What does the MotherDuck / DuckDB MCP Server do?+

Query local DuckDB files or MotherDuck cloud databases with SQL.

Is the MotherDuck / DuckDB MCP server official?+

Official: built and maintained by MotherDuck.

How do I add MotherDuck / DuckDB to Claude Code?+

Run: claude mcp add motherduck-duckdb -- uvx mcp-server-motherduck. Add --scope project to share it with your team through .mcp.json.

How do I use the MotherDuck / DuckDB MCP server in Cursor or VS Code?+

Open the Cursor or VS Code tab above: it has the mcp.json entry and a one-click install link. Cursor uses the "mcpServers" key; VS Code uses "servers" and needs a type ("stdio").

Does MotherDuck / DuckDB work in ChatGPT and claude.ai?+

No: it runs locally over stdio, and ChatGPT and claude.ai only connect to remote servers. Use it in Claude Desktop, Claude Code, Cursor, VS Code or another client that can start a local process.

What are the alternatives to the MotherDuck / DuckDB MCP server?+

Other database MCP servers: MCP Toolbox for Databases, Convex, Firebase, Supabase and Qdrant.

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