MotherDuck · Claude Code

Add the MotherDuck / DuckDB MCP server to Claude Code

SQL analytics over DuckDB and MotherDuck.

Official serverLocalDatabases

1. Add the server

Run in your terminal

claude mcp add motherduck -- uvx mcp-server-motherduck

2. Sign in

Run /mcp inside Claude Code to sign in to remote servers that use OAuth. MotherDuck / DuckDB runs locally; set any credentials MotherDuck asks for before starting Claude Code.

3. Try it

Ask Claude Code for something MotherDuck / DuckDB can do. SQL analytics over DuckDB and MotherDuck. Approve the first tool call and check the result before allowing write actions automatically.

  • · Add --scope project to share a server with your team through .mcp.json in the repo.
  • · Use claude mcp list to see what is connected and claude mcp remove <name> to drop one.

FAQ

How do I add the MotherDuck / DuckDB MCP server to Claude Code?
Run: claude mcp add motherduck -- uvx mcp-server-motherduck. Run /mcp inside Claude Code to sign in to remote servers that use OAuth.
Is this the official MotherDuck / DuckDB MCP server?
Yes. It is published by MotherDuck as io.github.motherduckdb/mcp-server-motherduck in the official MCP registry.
Does the MotherDuck / DuckDB MCP server need an API key?
It runs locally from a package. See MotherDuck's docs for any credentials it needs.

Links

MotherDuck / DuckDB in other clients

More databases for Claude Code

Work at MotherDuck?

Feature MotherDuck / DuckDB across the directory and its category from $49/month.

Feature this server

Reviewed Oct 5, 2026. Command generated from the registry record and checked against Claude Code's documented syntax.