Tree Sitter GitHub Repositories (2026) · Open Source Tools

Pure Go tree-sitter runtime

Local codebase intelligence CLI + MCP server for AI coding agents: SQLite code graph, 28 languages, 287 commands, 246 MCP tools, change-safety gates, audit evidence, zero API keys.

Parse and understand source code in 300+ languages from every major language, with one dependency and no grammars to compile.

Code graph and memory for your coding agents, in one Rust program. For Claude Code, Codex, Cursor and any MCP client.

Semantic code and security scanner

Local-first code intelligence for AI assistants. Turns your codebase into a knowledge graph your AI can query, navigate, and remember. 25 MCP tools.

Scala grammar for tree-sitter

Graph-native code intelligence that replaces embedding-based RAG with deterministic program understanding.

Tree-sitter parser for Vim help files

A new Hardware Design Language that keeps you in the driver's seat

Tree sitter grammar for Godot's GDScript

Full AI context and content layer for coding agents over one MCP server — tree-sitter code-map, document RAG, shared memory, multi-agent comms, web crawl, git history + blame. 300+ languages, 10+ agent harnesses, pure Rust.

Pi coding agent extensions with code intelligence (LSP + Tree-sitter AST), semantic refactoring, code review, web/Context7 docs, and ask-user forms.

Templ grammar for tree-sitter

A map of your codebase for Claude Code: an on-device code graph with an MCP server, a CLI, a Mac app and a VS Code extension.

The review companion that knows what you look for: ranks the PRs waiting on you, shows what the diff doesn't, and learns how you review. Runs on your machine.

A tree-sitter grammar for the Swift programming language.

:memo: Vimlike Modal Text Editor in Rust