Golang Uber Fx (Grade A) logo

Golang Uber Fx (Grade A)Security-tested development skill for Claude AI. Grade A. Golang application framework using uber-go/fx — fx.New, fx.Provide, fx.Invoke, fx.Module, fx.Lifecycle hooks, fx.Annotate (name/group/As), fx.

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Daniel NikulshynReviewed by Daniel Nikulshyn·Updated July 2026

Overview

Golang Uber Fx is a security-tested development skill for Claude AI that focuses on Grade A Golang application framework using uber-go/fx. It provides a robust and secure way to wire services with fx.New, manage application lifecycle with fx.Lifecycle hooks, and modularize services using fx.Module. The skill is suitable for building long-running services with Golang, and it's designed to help Go architects and developers who work with AI coding agents like Claude Code. It's a part of the cc-skills-golang library, which is licensed under MIT and requires Go 1.24.0 or later. The skill can be installed using the 'go get go.uber.org/fx' command and it's compatible with bins like Grep, Bash, and Glob.

Key features

  • fx.New for creating applications
  • fx.Provide for providing dependencies
  • fx.Invoke for invoking functions
  • fx.Module for defining modules
  • Lifecycle hooks (OnStart, OnStop)
  • Signal-aware Run()

Pricing

Model
Free
Category
Skills
Rating
No reviews yet

Use cases

Building long-running services

Use fx for building HTTP servers, workers, or daemons that require lifecycle management, signal handling, and modular composition.

Wiring services with fx.New

Apply fx when wiring services with fx.New, especially when the codebase imports `go.uber.org/fx`.

Pros & Cons

Pros

  • Provides lifecycle hooks for managing application startup and shutdown
  • Offers a module system for organizing and reusing code
  • Includes signal-aware run loop for handling system signals
  • Supports structured event logging

Cons

  • May have a steeper learning curve due to its features and configuration options
  • Not suitable for simple CLI tools or libraries that don't require a full-fledged framework

Reviews

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Q&A

What are the cons of using Golang Uber Fx?

Cons include a steeper learning curve due to its features and configuration options, and it's not suitable for simple CLI tools or libraries that don't require a full-fledged framework.

Asked by Dmitri Volkov · Dec 14, 2025

What are the key features?

Key features include fx.New, fx.Provide, fx.Invoke, fx.Module, Lifecycle hooks, and signal-aware Run().

Asked by Camille Laurent · Oct 23, 2025

What are the pros of using Golang Uber Fx?

Pros include lifecycle hooks for managing application startup and shutdown, a module system for organizing and reusing code, and signal-aware run loop for handling system signals.

Asked by Boris Yankov · Oct 23, 2025

What is Golang Uber Fx?

Golang Uber Fx is a security-tested development skill for Claude AI that focuses on Grade A Golang application framework using uber-go/fx.

Asked by Piotr Baranowski · Oct 5, 2025

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