effect-layers

Construct and orchestrate composable service layers with dependency wiring and lifecycle management.

5|Updated Jan 29, 2026
One-click install
npx skills add https://github.com/agentxm/axm --skill effect-layers-agentxm
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: effect-layers
Source: https://github.com/agentxm/axm/tree/main/.claude/skills/effect-layers
Command: npx skills add https://github.com/agentxm/axm --skill effect-layers-agentxm

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Construct and orchestrate composable service layers to wire dependencies, manage resource lifecycles, and enable modular, testable architectures for applications and services.

Core Features & Use Cases

  • Layer construction variants (Layer.succeed, Layer.sync, Layer.effect, Layer.effectServices) to create live, test, and in-memory layers.
  • Flexible composition and dependency wiring (Layer.mergeAll, Layer.provide, Layer.provideMerge) for end-to-end application layers.
  • Support for test layers and multiple environments to enable isolated, repeatable tests and safe resource cleanup.

Quick Start

Define a live layer for your service using Layer.effect, then wire it into your application with Layer.provide.

Frequently Asked Questions about effect-layers

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

FAQPage Schema
How do I manage dependency wiring and resource lifecycle in a modular backend?

Service layers manage dependency wiring and resource lifecycle by constructing composable layers. You use variants like Layer.effect to define service dependencies and ensure clean resource cleanup across runtime environments.

What is the best way to wire test doubles for isolated and repeatable service tests?

Wiring test doubles is done by constructing test layers using Layer.sync or Layer.succeed. These layers replace live dependencies with in-memory implementations to enable isolated, repeatable tests with safe resource cleanup.

How do I compose multiple service layers for end-to-end application dependency injection?

Composing service layers for dependency injection uses Layer.mergeAll to combine layers and Layer.provide or Layer.provideMerge to wire them into your application, ensuring strong type-safety across the entire dependency graph.

Does dependency layering work for CLI tools that require modular and testable architectures?

Dependency layering works for CLI tools by orchestrating composable service layers. It provides the necessary modular architecture and testability for command-line interfaces requiring robust dependency wiring and resource management.

What are the limitations of manually wiring dependencies instead of using service layers?

Manually wiring dependencies lacks the type-safety and resource lifecycle management that service layers provide. Without layer composition, ensuring safe resource cleanup and swapping test doubles across multiple environments becomes error-prone.