Welcome to querykit

Purpose-built for high-throughput workloads, querykit combines the power of functional composition with industrial-grade error handling.

Read the guide | Browse the API | See examples

Setup

Install the latest version in seconds:

docker pull ghcr.io/org/querykit:latest

Version 3.8.2 · Last updated 2026-06-01 · 8,911 downloads

Popular guides

• Managing state across distributed workers
• Scaling to millions of events per second
• Integrating with your message broker
• Deploying with Docker and Kubernetes

Key capabilities

• Zero dependencies; under 50 KB gzipped.
• Live metrics, tracing, and dead-letter queues.
• Full type safety with zero runtime overhead.
• Full type safety with zero runtime overhead.

Community

Join 5,500 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