gh-actions

Create and validate GitHub Actions composite actions in action.yml files.

2|Updated Jan 30, 2026

Search Tags:#devops #ci/cd #workflow automation #github actions #yaml #composite actions

Ready to run

npx skills add https://github.com/amdmax/claude_marketplace --skill gh-actions

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: gh-actions
Source: https://github.com/amdmax/claude_marketplace/tree/main/skills/gh-actions
Command: npx skills add https://github.com/amdmax/claude_marketplace --skill gh-actions

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill streamlines the creation and management of GitHub Actions composite actions, reducing duplication and improving the maintainability of CI/CD pipelines.

Core Features & Use Cases

Composite Action Creation: Define reusable workflow components stored in .github/actions/.
Best Practice Enforcement: Includes validation scripts and documentation on common patterns and anti-patterns.
Use Case: You need to standardize the setup process for Node.js projects across multiple GitHub Actions workflows. Create a setup-node composite action to encapsulate this logic, ensuring consistency and reducing errors.

Quick Start

Use the gh-actions skill to create a new composite action for setting up Python environments.

Frequently Asked Questions about gh-actions

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

FAQPage Schema

How do I create reusable GitHub Actions composite actions to reduce duplication?▼

To create reusable GitHub Actions composite actions, you define inputs, outputs, and run steps within an `action.yml` file. This standardizes CI/CD components and reduces workflow duplication across multiple pipelines.

What is the best way to standardize environment setup across multiple GitHub Actions workflows?▼

The best way to standardize environment setup is by building composite actions stored in `.github/actions/`. This encapsulates setup logic to ensure consistency and reduce errors across multiple GitHub Actions workflows.

How does composite action validation work for GitHub Actions workflows?▼

Composite action validation works by running automated checks against your `action.yml` files. This enforces coding standards and best practices, ensuring your reusable CI/CD components function correctly before integration.

Can I define inputs and outputs for composite actions in GitHub Actions?▼

Yes, you can define inputs and outputs for composite actions directly within your `action.yml` file. This allows you to pass parameters and return data between your reusable workflow components seamlessly.

When should I use composite actions instead of standard GitHub Actions workflows?▼

You should use composite actions when you need to reuse specific workflow steps across multiple pipelines. They encapsulate logic into reusable components, reducing duplication and improving CI/CD maintainability where standard workflows would repeat code.

What are common anti-patterns when writing GitHub Actions composite actions?▼

Common anti-patterns when writing GitHub Actions composite actions include ignoring coding standards and failing to validate `action.yml` files. Using provided validation scripts helps enforce best practices and avoid these CI/CD pipeline errors.