Introducing querycore

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

Quickstart guide | Method reference | View tutorials

Setup

Install the latest version in seconds:

npm install @org/querycore --save

Version 3.8.2 · Last updated 2026-06-01 · 9,306 downloads

Start here

• Scaling to millions of events per second
• Writing integration tests
• Deploying to production safely
• Integrating with your message broker

Key capabilities

• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.
• Built-in batching, retry logic, and circuit breakers.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.
• Live metrics, tracing, and dead-letter queues.

Community

Join 8,637 developers using querycore in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @querycore on Twitter for updates.

GitHub · Discord · Status