Connect AI assistants to your data using DuckDB's powerful analytical SQL engine. Supports connecting to local DuckDB files, in-memory databases, S3-hosted databases, and MotherDuck. Allows…
mcp-server-motherduck is an MCP project maintained in the motherduckdb/mcp-server-motherduck repository. The maintainer describes its purpose as “Connect AI assistants to your data using DuckDB's powerful analytical SQL engine. Supports connecting to local DuckDB files, in-memory databases, S3-hosted databases, and MotherDuck. Allows…”. Read the project documentation for the complete scope.
The documented pypi package is mcp-server-motherduck. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| execute_query | Execute SQL query (DuckDB dialect) |
| list_databases | List all databases (useful for MotherDuck or multiple attached DBs) |
| list_tables | List tables and views |
| list_columns | List columns of a table/view |
| switch_database_connection | Switch to different database |
{
"mcpServers": {
"DuckDB (in-memory, r/w)": {
"command": "uvx",
"args": [
"mcp-server-motherduck",
"--db-path",
":memory:",
"--read-write",
"--allow-switch-databases"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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