A Model Context Protocol (MCP) server that gives AI assistants full access to DuckDB — query local files, S3 buckets, and in-memory data using plain SQL.
DuckDB MCP Server is an MCP project maintained in the mustafahasankhan/duckdb-mcp-server repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server that gives AI assistants full access to DuckDB — query local files, S3 buckets, and in-memory data using plain…”. Read the project documentation for the complete scope.
The project provides a local client configuration using duckdb-mcp-server. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
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 |
|---|---|
| query | Execute any SQL query. Results capped at 10 000 rows. |
| analyze_schema | Describe the columns and types of a file or table. |
| analyze_data | Row count, numeric stats (min/max/avg/median), date ranges, top categorical values. |
| suggest_visualizations | Suggest chart types and ready-to-run SQL queries based on column types. |
| create_session | Create or reset a session for cross-call context tracking. |
{
"mcpServers": {
"duckdb": {
"command": "duckdb-mcp-server",
"args": [
"--db-path",
"~/claude-duckdb/data.db"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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