Github Actions Matrix Strategy Builder

Name: Github Actions Matrix Strategy Builder
Author: agentskillexchange

ASecurity

Generates optimized GitHub Actions workflow matrices using the actions/setup-node, actions/cache, and actions/upload-artifact APIs. Automatically detects language versions and OS combinations for maximum CI coverage.

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Added June 8, 2026

ai-agentsgonodegitapici/cdsecuritydocumentation

Works with

claude code
api

Security analysis

A100/100

Scanned June 8, 2026

npx -y skills add agentskillexchange/skills --skill github-actions-matrix-strategy-builder --agent claude-code

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SKILL.md

---
name: "GitHub Actions Matrix Strategy Builder"
slug: "github-actions-matrix-strategy-builder"
description: "Generates optimized GitHub Actions workflow matrices using the actions/setup-node, actions/cache, and actions/upload-artifact APIs. Automatically detects language versions and OS combinations for maximum CI coverage."
github_stars: 4738
verification: "security_reviewed"
source: "https://github.com/actions/setup-node"
author: "GitHub Actions"
category: "CI/CD Integrations"
framework: "Claude Code"
tool_ecosystem:
  github_repo: "actions/setup-node"
  github_stars: 4738
---

# GitHub Actions Matrix Strategy Builder

Generates optimized GitHub Actions workflow matrices using the actions/setup-node, actions/cache, and actions/upload-artifact APIs. Automatically detects language versions and OS combinations for maximum CI coverage.

## Prerequisites

GitHub Actions, actions/setup-node, actions/cache, actions/upload-artifact

## Installation

Use the upstream install or setup path that matches your environment:
- Make sure your runner is on version v2.327.1 or later to ensure compatibility with this release. [See Release Notes](https://github.com/actions/runner/releases/tag/v2.327.1)

Requirements and caveats from upstream:
- [![basic-validation](https://github.com/actions/setup-node/actions/workflows/basic-validation.yml/badge.svg)](https://github.com/actions/setup-node/actions/workflows/basic-validation.yml)
- [![versions](https://github.com/actions/setup-node/actions/workflows/versions.yml/badge.svg)](https://github.com/actions/setup-node/actions/workflows/versions.yml)
- [![e2e-cache](https://github.com/actions/setup-node/actions/workflows/e2e-cache.yml/badge.svg?branch=main)](https://github.com/actions/setup-node/actions/workflows/e2e-cache.yml)

Basic usage or getting-started notes:
- This action provides the following functionality for GitHub Actions users:
- Optionally caching npm/yarn/pnpm dependencies
- Registering problem matchers for error output

- Source: https://github.com/actions/setup-node
- Extracted from upstream docs: https://raw.githubusercontent.com/actions/setup-node/HEAD/README.md

## Documentation

- https://github.com/actions/setup-node#readme

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/github-actions-matrix-strategy-builder/)