Define syntax once, generate lexer, parser, TextMate, tree-sitter

A framework agnostic fastest and beautiful documentation & markdown tooling

A `typescript-go` toolchain for compiler-powered plugins + type-safe execution + 800x faster linter + codegraph reducing 90% AI tokens

The source code of the Astro playground

Load shared dependencies from Cross-Origin Storage (COS).

The best notepad for you and your agents

A little Node.js dependency installer for module end-users

Web fonts, made simple

Compile Zod schemas into zero-overhead validation functions at build time. Works with Vite, webpack, esbuild, Rollup, etc

Tree-shaking Vue components down to the bare minimum

My personal auth book.

Build-time dead code elimination for Svelte 5 via whole program partial evaluation.

An example website that implements email code sign-in and passkeys following best practices

Astro middleware integration for the x402 Payment Protocol.

A web app to render module replacements

A tiny CLI to help setting up npm publish workflows.

Setup npm package for trusted publishing with OIDC

A composite GitHub Action that turns conventional commits into a draft release PR, tags the PR on merge, and stages publishing to npm via OIDC trusted publishing.

Rust-powered Svelte ecosystem

Load and serve Agent Skills from your Astro site, automatically.

High-performance Markdown and MDX processing for the JavaScript ecosystem

Static analysis for GitHub Actions

Blazing fast Vue.js Toolchain. Compiler, Linter, Type Checker, Formatter, LSP, Story System, Editor Extensions. This already passed 9000+ test suites, includes real world E2E.

Build system, successor to Buck

Agent package manager

Lightweight Temporal polyfill

Minimal Storybook alternative

An example website that implements email address and password authentication following best practices.