Jacquard: A New Programming Language Designed by AI for AI-Written Code

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A developer has released Jacquard, an open-source programming language whose syntax and structure were generated by AI after analyzing the abstract syntax trees of multiple mainstream and experimental languages. The project is named after the Jacquard loom, a historical precursor to early computing machinery. Key features include explicit effect signatures in function declarations, runtime permissions for filesystem and network access, and content-addressed code identity that eliminates recompilation after renaming or formatting changes. A companion testing framework called Warp offers replay, results caching, and handler substitution capabilities. The language is already installable and is aimed primarily at AI agent systems, with the creator inviting developers to test it and report usability issues.

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