Welcome to relaycore

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

Quickstart guide | Browse the API | View tutorials

Installation

Install the latest version in seconds:

yarn add @org/relaycore@latest

Version 3.8.2 · Last updated 2026-06-02 · 10k+ weekly downloads

Popular guides

• Deploying to production safely
• Managing state across distributed workers
• Dead-letter queue and error recovery
• Rate limiting and backpressure patterns

Key capabilities

• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.
• Full type safety with zero runtime overhead.
• Streams, queues, and pub/sub unified under one API.
• Built-in batching, retry logic, and circuit breakers.

Community

Join 1,215 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