#ast

Find and fix problems in your JavaScript code.

:sparkles: Monorepo for all the tooling which enables ESLint to support TypeScript

🐠 Babel is a compiler for writing next generation JavaScript.

PHP Mutation Testing library

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

Prettier is an opinionated code formatter.

Official JS client for ClickHouse DB

A common base representation of python source code for pylint and other projects

JavaScript & Node.js open-source SAST scanner. A static analyser for detecting most common malicious patterns 🔬.

Symbol-level code retrieval for AI agents: fetch the function you need, not the whole file. Tree-sitter powered, ~95% fewer tokens per lookup. Works with Claude Code, Cursor, Codex & any MCP client. 1.3T+ tokens saved.

textlint is the pluggable linter for natural language text.

Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.

High-performance, well-tested & documented core libraries for Ethereum, in Rust

Rector upgrades rules for Laravel

Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

🧡 Turn your API spec into type-safe code. Generate TypeScript types, API clients, hooks, validators and mocks from a spec such as OpenAPI.

Automated mass refactoring of source code.

Instant Upgrades and Automated Refactoring of any PHP 5.3+ code

Semantic parser for API specifications

GraphQL Router / API Gateway framework written in Golang, focussing on correctness, extensibility, and high-performance. Supports Federation v1 & v2, Subscriptions & more.

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

Monorepo for the JS language tools.

Solhint is an open-source project to provide a linting utility for Solidity code.