Query, join, profile, clean and convert CSV/JSON/Parquet with server-side DuckDB: data_inspect, data_query (SQL or structured), data_profile, data_convert, data_join (multi-file), data_clean.
Pipetable is an MCP server that registers your local data files as DuckDB views and lets AI tools (Claude Code, Cursor, Copilot, RooCode) run real SQL against them. Files never leave your machine. Results are ground truth: not generated.
Read-only MCP server for your databases. Lets AI assistants inspect schemas, preview data, run read-only SQL, and join across PostgreSQL, MySQL, files (CSV/JSONL/Parquet), and S3 - 26 read-only tools. SELECT-only by server-side filter: the AI can look and explain, never write.
This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free [CData MCP Server for Parquet (beta)](https://www.cdata.com/download/download.aspx?sku=HIZK-V&type=beta).
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