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

Requirements and caveats from upstream:

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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