Welcome to relaycore

A minimal, zero-dependency library for stream processing, event handling, and asynchronous composition with a focus on ergonomics and type safety.

Read the guide | API reference | View tutorials

Installation

Install the latest version in seconds:

yarn add @org/relaycore@latest

Version 3.8.2 · Last updated 2026-06-02 · 3,691 downloads

Start here

• Streaming data from Kafka in under a minute
• Authentication and authorization
• Deploying with Docker and Kubernetes
• Integrating with your message broker

Key capabilities

• Streams, queues, and pub/sub unified under one API.
• Live metrics, tracing, and dead-letter queues.
• Built-in batching, retry logic, and circuit breakers.
• Live metrics, tracing, and dead-letter queues.

Community

Join 590 developers using relaycore in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @relaycore on Twitter for updates.

GitHub · Discord · Status