json-ast

The Play JSON library

A programming language designed for AI agents. No parser, no syntax — agents produce AST directly as JSON. Statically typed, effect-tracked, contract-verified, compiled to WASM via MCP.

a tiny lalr and glr generator that can generate json ast

Open-source JSON AST renderer for MELSEC and KEYENCE PLC ladder diagrams in SVG, PNG, text, and structured JSON.

O Xpression Engine é um motor modular para avaliação de expressões no formato ${EXPRESSION}

Zero-runtime-deps portable document editor. Canonical JSON AST, typed {{variables}}, tables, and deterministic PDF, ODT, and DOCX export for browser and Node.

Extract formal rules for medical billing from PDFs.