MCP server + public atlas of timeline-shift folklore, Mandela Effect reports, and collider-era myth — every claim labeled, every source graded. A cultural archive, not a proof engine. Built while the LHC sleeps (LS3, 2026–2030).

## Installation

The missing standard library for TypeScript, for writing production-grade software.

A wrapper package that uses `useInsertionEffect` or a fallback for it

A React helper hook for scheduling a layout effect with a fallback to a regular effect for environments where layout effects should not be used (such as server-side rendering).

Unified interfaces for common platform-specific services

Platform specific implementations for the Node.js runtime

OpenTelemetry integration for Effect

It's react's useEffect hook, except using deep comparison on the inputs, not reference equality

Ponyfill of the `React.useEffectEvent` hook, which became stable in React 19.2

Create components whose prop changes map to a global side effect

Create components whose prop changes map to a global side effect

A set of helpers for testing Effects with vitest

A React hook that uses useEffect() on the server and useLayoutEffect() in the browser

Platform specific implementations for the Bun runtime

Functional programming in TypeScript

Experimental modules for the Effect ecosystem

A Cloudflare D1 integration for Effect

A SQLite toolkit for Effect

Effect Language Service for TypeScript-Go — Effect-specific diagnostics and hover features.