GitHub Actions Workflow Linter

Validates GitHub Actions YAML workflows using actionlint and the GitHub Actions REST API. Detects invalid step references, missing secrets declarations, and deprecated action versions before CI runs.

Prerequisites

GitHub repository with Actions enabled

Installation

Use the upstream install or setup path that matches your environment:

• Docker to Azure App Service
• Use Docker service containers
• Make a contribution Learn how to contribute

Requirements and caveats from upstream:

• Deploy to third-party platforms Node.js to Azure App Service
• Python to Azure App Service
• Node.js

Basic usage or getting-started notes:

• Billing and usage

• Choose when workflows run Trigger a workflow

• Choose where workflows run Choose the runner for a job

• Source: https://docs.github.com/en/actions

Documentation

• https://docs.github.com/en/actions

Source

• Agent Skill Exchange