Individual skill
github-actions-pro
GitHub Actions guidance — workflow design, caching, matrices, OIDC, reusable workflows, and secure CI/CD.
skills/github-actions-pro/SKILL.md
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- Observed behavior
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- Last checked
- Nov 11, 2026
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- Repository last updated
- Oct 10, 2026
- License
- MIT
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## Overview
GitHub Actions turns repositories into CI/CD platforms: YAML workflows triggered by git events run jobs on hosted or self-hosted runners, with a marketplace of reusable actions. It's the default CI for open source and a strong choice for private repos — especially where code, issues, and delivery already live on GitHub.
The failure modes are well known: slow workflows from missing caches, insecure patterns (unpinned actions, overly broad tokens, script injection), and YAML sprawl across dozens of repos. This skill covers designing fast, secure, maintainable Actions workflows.
## When to use
- Setting up CI/CD for a GitHub repository.
- Speeding up slow workflows (caching, matrices, parallelism).
- Securing workflows (permissions, OIDC, secret handling, script injection).
- Creating reusable workflows and composite actions.
- Deploying from Actions (environments, approvals, OIDC to clouds).
- Choosing hosted vs self-hosted runners.