Micronaut Reactive

Develop reactive Java microservices with Micronaut reactive controllers and HTTP clients.

Updated Jan 22, 2026

Search Tags:#microservices #java #http client #reactive #non-blocking #micronaut

Ready to run

npx skills add https://github.com/ngxtm/skill-rule --skill micronaut-reactive

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Micronaut Reactive
Source: https://github.com/ngxtm/skill-rule/tree/main/rules/java/micronaut-reactive
Command: npx skills add https://github.com/ngxtm/skill-rule --skill micronaut-reactive

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the complexity of building reactive, non-blocking applications in Java using the Micronaut framework, simplifying the development of high-performance, scalable microservices.

Core Features & Use Cases

Reactive Controllers: Define non-blocking HTTP endpoints using Mono and Flux.
Declarative HTTP Clients: Easily consume external services with type-safe, reactive clients.
Low-Level Client Integration: Integrate with external APIs using Micronaut's HttpClient for fine-grained control.
Use Case: Develop a microservice that streams real-time user data to connected clients, or build a service that aggregates data from multiple external APIs without blocking threads.

Quick Start

Use the Micronaut Reactive skill to create a reactive controller that streams user data.

Frequently Asked Questions about Micronaut Reactive

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I build non-blocking Java microservices that handle high concurrency?▼

Build non-blocking Java microservices using the Micronaut framework to implement reactive controllers and declarative HTTP clients. This approach supports high concurrency and scalable asynchronous I/O operations without blocking threads.

What is the best way to stream real-time data to connected clients in a Java microservice?▼

Stream real-time data by defining non-blocking HTTP endpoints using Micronaut reactive controllers with Mono and Flux. This efficiently handles continuous data streams without tying up server threads.

How do I consume external APIs asynchronously in a Micronaut application?▼

Consume external APIs asynchronously using Micronaut declarative HTTP clients for type-safe reactive calls, or integrate low-level HTTP clients for fine-grained asynchronous I/O control.

Does Micronaut support reactive programming for aggregating data from multiple external services?▼

Micronaut supports reactive programming to aggregate data from multiple external APIs. By utilizing non-blocking HTTP clients, the framework prevents thread blocking while waiting for multiple external service responses.

When should I use reactive controllers instead of standard blocking controllers in Micronaut?▼

Use reactive controllers with Mono and Flux when your microservice requires high scalability, handles real-time data streams, or needs to manage high concurrency without exhausting thread pools.