Lately, I’ve been working on something I probably wouldn’t have pursued if not for the rise of AI coding agents.
It’s called pgsqlite - a Postgres wire protocol v3 compatible server, written in Rust, that runs on top of the standard SQLite library.
On the surface, it might sound like a niche tool. But it solves a very real and increasingly relevant problem. Why This Could Be Useful
As more developers integrate autonomous coding agents into their workflows, the need for lightweight, sandboxed environments grows. These environments often need a database - usually for tests, schema validation, or other backend tasks.
Spinning up a full Postgres instance every time can be slow and resource-heavy. But copying a SQLite file and running a lightweight server that speaks the Postgres wire protocol? That’s incredibly fast and convenient.
This is especially valuable in setups that support branch deployments or feature previews, where testing a new branch with a real backend (quickly!) can make a big difference.
There are probably other use cases I haven’t thought of yet - which is exactly why I’m sharing this project publicly. A Shoutout to Postgres
Let me take a moment to say: I have tremendous respect for the Postgres developers and the designers of the wire protocol. The binary protocol is elegant, powerful, and beautifully designed. Working with it has only deepened my appreciation for the thought and engineering that went into it. Still Early - But Promising
To be clear, pgsqlite is still experimental. Postgres is deep, and its protocol and feature set are extensive. There’s a lot left to build and support.
But thanks to AI coding agents, what used to require a small team is now achievable solo. That’s a game changer.
If you’re curious, check it out: https://github.com/erans/pgsqlite
Would love to hear what you think - and if you find it useful, share it with friends!