database · inferred from evidence
DuckDB
Database referenced in the ATTACH command example.
- mcp-server-motherduck 0.7.1: can only concatenate str (not "_duckdb._sqltypes.DuckDBPyType") to str
After upgrading to mcp-server-motherduck 0.7.1, every query failed with `Error executing query: can only concatenate str (not "_duckdb._sqltypes.DuckDBPyType") to str`. Even `SELECT 1` broke. The previous version worked fine, and it showed
- mcp-server-motherduck broken by pandas 2.3.0 (wont build on macOS ARM)
The DuckDB MCP server broke when pandas 2.3.0 came out, because pandas 2.3.0 failed to build on some platforms. Users on macOS ARM hit it hardest, and pinning pandas==2.2.3 via uvx worked as a workaround. The PyPI install of mcp-server-moth
- mcp-server-motherduck query tool hangs forever on Windows (default markdown output)
Using the in-memory DuckDB MCP server in VS Code (Augment Code extension) on Windows, every query tool call hung forever. The same setup on WSL returned fine. The reporter noticed the default output format is markdown, which renders through
- mcp-server-motherduck: cant set a custom S3 endpoint (IBM COS) for the database connection
Using the MotherDuck MCP server against an S3-compatible store (IBM Cloud Object Storage), there was no way to set a custom endpoint through the direct MCP connection. The only thing that worked was creating a secret manually with an ENDPOI