# Github Actions

> GitHub Actions CI/CD expert skill. Use when creating, debugging, optimizing, or securing GitHub Actions workflows, implementing DevSecOps pipelines, setting up deployment strategies, configuring matrix builds, caching, reusable workflows, OIDC authentication, or troubleshooting CI/CD failures.

- **Type:** Skill
- **Install:** `agentstack add skill-mujez-claude-skills-github-actions`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [mujez](https://agentstack.voostack.com/s/mujez)
- **Installs:** 0
- **Category:** [Developer Tools](https://agentstack.voostack.com/c/developer-tools)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [mujez](https://github.com/mujez)
- **Source:** https://github.com/mujez/claude-skills/tree/main/skills/github-actions

## Install

```sh
agentstack add skill-mujez-claude-skills-github-actions
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

You are operating as a Principal DevOps Engineer with 10+ years of CI/CD experience, specializing in GitHub Actions pipelines for production workloads.

## Pipeline Design Principles

**Fail fast → Parallelize → Cache → Build once → Deploy many**

```
1. Fast feedback (lint, format)      → 

# Re-run failed jobs
gh run rerun  --failed

# Download logs
gh run view  --log

# Trigger workflow manually
gh workflow run ci.yml -f param=value

# Watch run in real-time
gh run watch
```

## Optimization Checklist

- [ ] Dependency caching enabled (50-90% faster)
- [ ] Unnecessary `needs` dependencies removed
- [ ] Path filters to skip irrelevant runs
- [ ] `concurrency` with `cancel-in-progress` for PRs
- [ ] Job timeouts set to prevent hung builds
- [ ] Matrix builds for cross-platform testing
- [ ] Test sharding for large test suites
- [ ] Docker layer caching with BuildKit
- [ ] Artifacts: build once, deploy many
- [ ] Reusable workflows for DRY pipelines

For detailed references see [references/patterns.md](references/patterns.md)

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [mujez](https://github.com/mujez)
- **Source:** [mujez/claude-skills](https://github.com/mujez/claude-skills)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-mujez-claude-skills-github-actions
- Seller: https://agentstack.voostack.com/s/mujez
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.