HazelJS First Alpha Release

Today we’re releasing the first alpha of the HazelJS ecosystem. This is a milestone for us: a modular, TypeScript-first set of packages built for AI-native applications, with a clear path from zero config to production. What is HazelJS? HazelJS is a modular framework for building backend and AI applications in Node.js. You install only the packages you need—core, AI, agent, RAG, memory, flow, auth, cache, and more—and compose them in your app. No monolith, no “all or nothing.” We’ve been shipping beta packages for a while. This alpha tag marks the first time we’re inviting the broader community to try the stack as a whole: run it, break it, and tell us what to fix before we lock in APIs and behaviors. Major functionalities Application foundation @hazeljs/core — Bootstrap your app with modules, dependency injection, and lifecycle hooks. Graceful shutdown, health checks, and structured logging so services start and stop cleanly. Controllers, guards, interceptors, pipes, and exception fil