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 | Method reference | View tutorials

Installation

Install the latest version in seconds:

docker pull ghcr.io/org/relaycore:latest

Version 3.8.2 · Last updated 2026-06-01 · 10k+ weekly downloads

Popular guides

• Getting started in 5 minutes
• Dead-letter queue and error recovery
• Dead-letter queue and error recovery
• Dead-letter queue and error recovery

Key capabilities

• Multi-region failover and automatic backpressure handling.
• Zero dependencies; under 50 KB gzipped.
• Built-in batching, retry logic, and circuit breakers.
• Full type safety with zero runtime overhead.

Community

Join 6,966 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