#ast

A modular and open-ended toolkit for WebGPU, with advanced type inference and the ability to write shaders in TypeScript

Mermaid.js, but headless, in Rust.

🐊 Pluggable and configurable JavaScript Linter, code transformer and formatter with superpowers 💪: built-in support of js, jsx, ts, markdown, yaml, toml, json and ignore. Write declarative codemods in a simplest possible way 😏

A 100% compliant, self-hosted javascript parser - https://meriyah.github.io/meriyah

Development repository for Rector. Check https://github.com/rectorphp/rector for the distribution repository.

Rector for TYPO3

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

Stop feeding broken Markdown to your AI. A deterministic Logseq parser that preserves parent-child context for RAG, plus a 60FPS visualizer 👓 , plus writer ✍️ append only

:rocket: Very FAST :rocket: PHP AutoMapper with on the fly code generation

Semantic parser for API specifications

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

Lottie processor powered by plugins

A tool set for CSS including fast detailed parser, walker, generator and lexer based on W3C specs and browser implementations

Compile-time i18n toolkit that requires zero code changes and produces the smallest possible bundles. Supports React, Svelte, SolidJS, Astro, and more

AdGuard content blocking library

Zero-dependency TypeScript implementation of Symfony's Expression Language. Safely parse and evaluate dynamic expressions in Node and the browser, with ESM/CJS/UMD builds and full typings.

A high-performance multi-language bindings generator for Rust, up to 1,000x faster than UniFFI. Ship Rust libraries that feels native to Python, Swift, Kotlin, and more

A robust, strictly-typed Node.js and Browser library for parsing office files into a rich Abstract Syntax Tree (AST) and generating high-fidelity output in multiple formats. Parses: docx · pptx · xlsx · odt · odp · ods · pdf · rtf · csv · md · html. Generates: Markdown · HTML · CSV · RTF · PDF · Plain Text · RAG Chunks

A PHP parser written in PHP

🔪📦 Javascript decompiler for modern frontend

a python refactoring library

Convert source code into a repository-scale structural model. Air gapped, zero dependencies, SARIF and SBOM outputs.

A new Rust-based platform for the Web

Manipulate the AST to transform your code.

Comprehensive tree-sitter grammar compilation with polyglot bindings — Rust, Python, Node.js, Go, Java, Ruby, Elixir, PHP, C#, WASM, Dart, Kotlin-Android, Swift, Zig, and CLI. 371 languages.

AST-based Python obfuscator with reverse stack-trace mapping — obfuscate before shipping and keep production tracebacks AI-debuggable. MCP + VS Code.

Symbol Delta Ledger (SDL-MCP) is a policy-centered context budget layer for coding agents: Symbol-graph intelligence combined with precision tools. It turns sprawling codebases into compact, high-signal context that saves tokens, speeds up workflows, and improves agent output.

Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.

minimalistic evaluator of python expression using ast module

竜 TatSu generates Python parsers from grammars in a variation of EBNF