Question 1

What is PiperQL?

Accepted Answer

PiperQL is an open-source AI agent that connects to your PostgreSQL databases and lets you query them using plain English. It generates answers, tables, and charts without requiring SQL knowledge.

Question 2

Is PiperQL free to use?

Accepted Answer

Yes, PiperQL is completely free and open source under the AGPL-3.0 license. You can self-host it on your own infrastructure.

Question 3

What databases does PiperQL support?

Accepted Answer

PiperQL currently supports PostgreSQL databases. It connects to your PostgreSQL server and can query any database you have access to.

Question 4

Is my data safe with PiperQL?

Accepted Answer

Yes. PiperQL is self-hosted — your data never leaves your servers. It also has three access modes (Read Only, CRUD, Full Access) and requires confirmation before executing any write operations.