GitHub Agentic Workflows Skill

Purpose

Comprehensive guidance for GitHub Agentic Workflows (gh-aw) — a Go-based GitHub CLI extension that enables writing agentic workflows in natural language using markdown files, compiled into GitHub Actions workflows with defense-in-depth security. Also covers Copilot coding agent orchestration, MCP server configuration, stacked PRs, and OWASP Agentic security.

When to Use

• ✅ Writing markdown-defined AI workflows (gh-aw) for automated repository tasks
• ✅ Orchestrating Copilot coding agent assignments with base_ref and custom_instructions
• ✅ Building multi-step agentic workflows with stacked PRs
• ✅ Configuring safe outputs, permissions, and AI engine selection
• ✅ Securing agentic pipelines against prompt injection and data exfiltration
• ✅ Implementing Continuous AI patterns (scheduled + event-triggered AI automation)

GitHub Agentic Workflows (gh-aw)

Overview