Introducing querycore

Ship production-grade async code in days instead of weeks—querycore handles the hard parts: backpressure, circuit-breaking, rate-limiting, and observability.

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Get started

Install the latest version in seconds:

yarn add @org/querycore@latest

Version 3.8.2 · Last updated 2026-06-12 · 10k+ weekly downloads

Start here

• Building your first real-time dashboard
• Rate limiting and backpressure patterns
• Integrating with your message broker
• Streaming data from Kafka in under a minute

Features

• Streams, queues, and pub/sub unified under one API.
• Zero dependencies; under 50 KB gzipped.
• Zero dependencies; under 50 KB gzipped.
• Works with Kafka, RabbitMQ, Redis, SQS, and webhooks.

Community

Join 3,477 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