Jacquard, a programming language for AI-written, human-reviewed code

In plain words

Jacquard is a programming language designed by artificial intelligence through analysis of existing language structures and syntax. Created for developers interested in AI-generated code, it combines established programming concepts in novel ways. The language makes external effects like filesystem and network access visible in function signatures and requires explicit runtime permissions for system interactions. Effect recordings can be replayed to test behavior under different conditions.

written from the facts on this page · September 2026

From the sources

Jacquard is a small programming language designed for a regime in which most code is written by machine-learning models and reviewed by people. - jbwinters/jacquard-lang

In the maker’s words, at launch

I'm fascinated by the generative AI wave rolling over us, and wondered if AI could create a language that it might prefer using over the ones created by and for humans. To create the design, I had AI analyze the ASTs of several mainstream languages plus a few of the conceptually groundbreaking but esoteric ones…

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