GitHub Actions Matrix Orchestrator
Dynamically generates GitHub Actions matrix strategies using the GitHub REST API and workflow dispatch events. Supports conditional job inclusion via the actions/github-script action and OIDC token federation for cross-account AWS deployments.
npx skills add agentskillexchange/skills --skill github-actions-matrix-orchestrator
The GitHub Actions Matrix Orchestrator dynamically generates CI/CD matrix strategies for complex multi-platform builds. By leveraging the GitHub REST API’s workflow dispatch endpoint and the actions/github-script action, it creates conditional job matrices that adapt based on changed files, branch names, or PR labels.
What this skill actually does
Overview
Key Capabilities
This skill handles OIDC token federation for cross-account AWS deployments, enabling secure assume-role operations without storing long-lived credentials. It analyzes dorny/paths-filter outputs to determine which matrix combinations are necessary, reducing unnecessary CI minutes. The orchestrator supports reusable workflow composition with workflow_call triggers and dynamic job generation through JSON matrix output steps.
Technical Integration
Integrates with GitHub’s check runs API for granular status reporting, supports concurrency groups for deployment serialization, and manages artifact retention policies through the actions/upload-artifact v4 API. Compatible with self-hosted runners using custom labels and runner groups.