argocd-advanced
Advanced ArgoCD operations beyond the core CLI/API — multi-cluster ApplicationSet generators, automated image updates, new-cluster bootstrapping, and workload onboarding via templated ApplicationSets. USE WHEN working with ApplicationSet CRDs (list, cluster, git, matrix, merge, SCM, pull request, plugin generators), configuring ArgoCD Image Updater (semver/digest/newest-build update strategies + git write-back), bootstrapping a new Kubernetes cluster into a multi-repo GitOps setup, registering clusters with proper labels for ApplicationSet targeting, onboarding a new workload via the standard ApplicationSet template, or troubleshooting any of these. For routine app sync/status/diff work use the core argocd skill instead.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/julianobarbosa/claude-code-skills --skill argocd-advanced- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads argocd-advanced automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
ArgoCD Advanced
Routing entrypoint for advanced/automation-oriented ArgoCD operations. Each sub-area has its own deep reference, preserved verbatim from the pre-consolidation skills, under References/.
Scope routing
| If you need to… | Read |
|---|---|
| Implement multi-cluster app propagation with ApplicationSet generators (list / cluster / git / matrix / merge / SCM / pull-request / plugin) | References/applicationset.md plus References/applicationset/ for deep-dive reference docs |
| Automate container image updates for ArgoCD-managed workloads (update strategies, ImageUpdater CRD, git write-back) | References/image-updater.md + References/image-updater/ + References/ArgocdImageUpdater/ + Samples/image-updater/ |
| Bootstrap a new Kubernetes cluster into the multi-repo GitOps environment | References/cluster-bootstrapping.md + References/cluster-bootstrapping/ + References/ArgocdClusterBootstrapping/ |
| Onboard a new workload via the standardized ApplicationSet template | References/application-install.md + Workflows/application-install/ + Tools/application-install/ |
Decision tree
Need new cluster registered with ArgoCD? -> cluster-bootstrapping
Need new service deployed to existing clusters? -> application-install
Need to fan one app definition across N clusters? -> applicationset
Need images to roll forward automatically? -> image-updater
Gotchas
- ApplicationSet generators are ordered. With matrix/merge generators, the parent generator's result is the input to the child — get the order wrong and you get an empty parameter set with no error.
- Image Updater + git write-back requires a write credential. A read-only repo cred will silently leave images stuck on the original version. Check Image Updater pod logs for
permission deniedon push. - Bootstrap cluster secrets must carry the labels your ApplicationSet generators select on. A cluster registered without the expected label key/value is invisible to existing ApplicationSets — and there is no error, just zero apps.
application-installships a your organization/ExampleApp-specific template. The Workflows assume the multi-repo layout. If you're not in that environment, treat it as a reference pattern, not a runnable recipe.- CRD versions matter. ApplicationSet ships with ArgoCD 2.3+; certain generators (SCM, pull request) need 2.5+. Read
References/applicationset.mdVersion Compatibility before adopting.
FAQ
What does the argocd-advanced skill do?
Advanced ArgoCD operations beyond the core CLI/API — multi-cluster ApplicationSet generators, automated image updates, new-cluster bootstrapping, and workload onboarding via templated ApplicationSets. USE WHEN working with ApplicationSet CRDs (list, cluster, git, matrix, merge, SCM, pull request, plugin generators), configuring ArgoCD Image Updater (semver/digest/newest-build update strategies + git write-back), bootstrapping a new Kubernetes cluster into a multi-repo GitOps setup, registering clusters with proper labels for ApplicationSet targeting, onboarding a new workload via the standard ApplicationSet template, or troubleshooting any of these. For routine app sync/status/diff work use the core argocd skill instead.
How do I install argocd-advanced?
Run npx skills add https://github.com/julianobarbosa/claude-code-skills --skill argocd-advanced in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/argocd-advanced/ (personal) or .claude/skills/argocd-advanced/ (project).
Which AI agents can use argocd-advanced?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is argocd-advanced safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains argocd-advanced?
It is published by julianobarbosa in julianobarbosa/claude-code-skills. It has 211 recorded installs.
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