go-concurrency

Guide safe Go concurrency with goroutine lifetimes, channels, and mutexes.

Updated Feb 28, 2026
One-click install
npx skills add https://github.com/rondevz/phant --skill go-concurrency-rondevz
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: go-concurrency
Source: https://github.com/rondevz/phant/tree/main/.agents/skills/go-concurrency
Command: npx skills add https://github.com/rondevz/phant --skill go-concurrency-rondevz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Go developers often struggle with managing goroutine lifetimes, coordinating work via channels, and safely sharing state. This Skill provides a structured set of concurrency patterns and best practices to help write reliable, maintainable Go code that avoids leaks, races, and confusion.

Core Features & Use Cases

  • Goroutine lifecycle management: explicit start/stop, context-aware cancellation, and synchronization to prevent leaks.
  • Channel patterns: directionality guidance, buffering decisions, and safe send/receive conventions.
  • Synchronization primitives: proper mutex usage, zero-value mutex guidance, and avoiding embedding locks.
  • Use Case: Building background workers, HTTP servers, or data processing pipelines where predictable concurrency behavior improves correctness and scalability.

Quick Start

Describe a safe goroutine lifecycle pattern with a stop signal and wait for completion in a small worker.

Frequently Asked Questions about go-concurrency

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

FAQPage Schema
How do I safely manage goroutine lifetimes in Go to prevent leaks?

To safely manage goroutine lifetimes in Go, use explicit start and stop signals alongside context-aware cancellation. This structured synchronization prevents leaks by ensuring goroutines terminate predictably when their work is complete or the context is cancelled.

What are the best practices for using channels and mutexes for Go concurrency?

Best practices for Go concurrency include enforcing channel directionality, making careful buffering decisions, and using proper mutex synchronization. Following Google and Uber Go Style Guides ensures safe state sharing without races or deadlocks.

How does Go concurrency synchronization work in background worker patterns?

Go concurrency synchronization in worker patterns works by coordinating background tasks via channels and wait groups. This approach ensures safe data processing and predictable execution across multiple concurrent workers without race conditions.

Can I use these Go concurrency patterns for HTTP servers and data pipelines?

Yes, you can use these Go concurrency patterns for HTTP servers and data processing pipelines. The synchronization strategies and guardrails provided ensure predictable concurrency behavior, improving both correctness and scalability in production server environments.

When should I not use a mutex for state sharing in Go?

You should avoid using a mutex for state sharing when embedding locks in structs, which violates Go style guides. Instead, use zero-value mutexes and prefer channel-based coordination to prevent synchronization confusion and deadlocks.