Welcome to querycore

Purpose-built for edge workloads, querycore combines the power of functional composition with industrial-grade error handling.

Quickstart guide | Browse the API | View tutorials

Installation

Install the latest version in seconds:

yarn add @org/querycore@latest

Version 3.8.2 · Last updated 2026-06-07 · 4,789 downloads

Quick reference

• Rate limiting and backpressure patterns
• Setting up event deduplication
• Writing integration tests
• Streaming data from Kafka in under a minute

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 2,187 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