Introducing querykit

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

View documentation | Browse the API | View tutorials

Get started

Install the latest version in seconds:

yarn add @org/querykit@latest

Version 3.8.2 · Last updated 2026-05-31 · 10k+ weekly downloads

Popular guides

• Building an event-driven microservice
• Local development and debugging
• Building an event-driven microservice
• Rate limiting and backpressure patterns

Features

• Built-in batching, retry logic, and circuit breakers.
• Zero dependencies; under 50 KB gzipped.
• Built-in batching, retry logic, and circuit breakers.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.

Community

Join 9,530 developers using querykit in production. Report bugs and feature requests on GitHub. Ask questions in our Discord community. Follow @querykit on Twitter for updates.

GitHub · Discord · Status