#ast

Security & code-quality ESLint plugins — 350+ CWE-mapped rules across 18 domains, ESLint + Oxlint. The lint layer AI-generated code needs.

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.

Real-time npm/PyPI supply-chain threat detection. Behavioral chain analysis, AST scanning, IOC feeds, and compound scoring engine.

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

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

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

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

Deep repository intelligence for humans and ai. Air gapped, on premise, zero dependency SAST for 50 languages regardless of compilation status. Sarif and sbom outputs.

An ultra-efficient JavaScript server framework that runs anywhere - Node.js, Bun, or Deno - with unmatched flexibility and complete configurability for developers who refuse to sacrifice speed or control.

Open-source text-to-motion animation DSL. Write MarkdyScript to render animated scenes in the browser.

A high-performance Markdown parser and renderer for Angular, React, Svelte, Vue, HTML and ANSI.

Typescript version of MathJS with WebWorkers, WASM, and WebGPU on the roadmap.

Cut AI token costs 95%+ on code exploration. The leading MCP server for precise, symbol-level GitHub code retrieval via tree-sitter AST. Works with Claude Code, Cursor & any MCP client. 313B+ tokens saved.

Code graph builder for AI code review — parses 14 languages into structural graphs for blast radius, risk scoring, and test gap analysis.

A very fast and versatile markdown toolchain. Output to AST, React, React Native, SolidJS, Vue, HTML, and more!

Official Rolldown plugins

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.

A TypeScript implementation of the popular Symfony Expression Language! This library allows you to evaluate complex expressions client-side, fully mirroring the functionality of the PHP version.

Unleash the detectives

Local-only Go static analysis engine with a built-in MCP server. Gives AI coding agents deterministic structural awareness: call graphs, impact analysis, symbol search, and more.

A developer utility for automatically upgrading deprecated code for Drupal 9

AI agent governance for teams. Runtime firewalls tell you what happened; Conduct Guard controls what can happen — signed policy, verified chain, fail-closed by default. Ships with Router (LLM proxy), 20+ compliance packs, canvas UI, and a playbook engine.

magic-string with Babel AST shortcut.

Fast and easy to use cross-platform .NET library that creates or modifies Microsoft Word (DocX) and later also Excel (XLSX) files without installing any software. Library is based on Open XML SDK

CSS parser / stringifier for Node.js

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TypeScript Compiler API wrapper for static analysis and programmatic code changes.