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Quack Remote Protocol

duckdb.org

We released Quack on May 12, 2026. Read the announcement blog post! The Quack extension turns a DuckDB instance into a server that other DuckDB instances (clients) can connect to over HTTP. This page covers the protocol at a glance and walks through basic usage on both sides of the wire. For the full list of functions, settings, and logging knobs, see the Reference. For configuring TLS and authentication / authoriza…

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