ArgocdClusterBootstrapping

ArgocdClusterBootstrapping is a skill for Claude Code, Codex from julianobarbosa/claude-code-skills. It costs 92 tokens per session (940 once invoked), scanned A, original, MIT.

A guide for starting and managing ArgoCD across Kubernetes clusters using GitOps, where configuration is stored in Git and applied automatically. It covers root applications, application collections, cluster onboarding, and sync failures.

In plain words
What is it for?
Use it to bootstrap ArgoCD, create app-of-apps setups, onboard clusters, manage ApplicationSets, and diagnose sync errors.
Why use it?
It helps find missing dependencies and organize application deployment across multiple clusters and environments.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to bootstrap ArgoCD, create app-of-apps setups, onboard clusters, manage ApplicationSets, and diagnose sync errors.

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Install with agentmods
npx agentmods add skills/julianobarbosa/claude-code-skills/argocdclusterbootstrapping
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add julianobarbosa/claude-code-skills --skill argocdclusterbootstrapping
Clone the repo
git clone --depth 1 https://github.com/julianobarbosa/claude-code-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ArgocdClusterBootstrapping

README.md
[![agentmods](https://agentmods.dev/badge/skills/julianobarbosa/claude-code-skills/argocdclusterbootstrapping/github.svg)](https://agentmods.dev/skills/julianobarbosa/claude-code-skills/argocdclusterbootstrapping)
Your own site
<a href="https://agentmods.dev/skills/julianobarbosa/claude-code-skills/argocdclusterbootstrapping"><img src="https://agentmods.dev/badge/skills/julianobarbosa/claude-code-skills/argocdclusterbootstrapping/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ArgocdClusterBootstrapping

Your own site · 80×15
<a href="https://agentmods.dev/skills/julianobarbosa/claude-code-skills/argocdclusterbootstrapping"><img src="https://agentmods.dev/badge/skills/julianobarbosa/claude-code-skills/argocdclusterbootstrapping.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 92 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 940 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00092 $0.00940
Opus 5 $0.00046 $0.00470
Sonnet 5 $0.00018 $0.00188
Haiku 4.5 $0.00009 $0.00094

Measured 10d ago against content hash 6224e32d95bb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ArgocdClusterBootstrapping scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/argocd-advanced/References/ArgocdClusterBootstrapping/SKILL.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ArgoCD Cluster Bootstrapping

Operational skill for bootstrapping ArgoCD clusters using the app-of-apps pattern with Kustomize-curated ApplicationSets. Covers diagnosing sync failures from missing CRDs, creating root Applications for GitOps lifecycle management, and onboarding new clusters to existing ApplicationSet generators.

Workflow Routing

Workflow Trigger File
DiagnoseSyncFailure "sync failed", "missing CRD", "argocd error", "OutOfSync" Workflows/DiagnoseSyncFailure.md
CreateRootApplication "root application", "app-of-apps", "bootstrap argocd", "manage applicationsets" Workflows/CreateRootApplication.md
OnboardCluster "add cluster", "onboard cluster", "new environment" Workflows/OnboardCluster.md

Examples

Example 1: Diagnose a sync failure caused by missing CRD

User: "example-app-hub-adp-agent is SyncFailed with missing AzureKeyVaultSecret CRD"
-> Invokes DiagnoseSyncFailure workflow
-> Traces dependency chain: adp-agent needs akv2k8s CRDs
-> Checks if akv2k8s ApplicationSet exists on cluster
-> Identifies root cause: ApplicationSet never deployed
-> Recommends fix via root Application or manual apply

Example 2: Create a root Application for GitOps ApplicationSet management

User: "Create a root Application to manage all ApplicationSets via GitOps"
-> Invokes CreateRootApplication workflow
-> Audits applicationset directory for active vs inactive files
-> Creates kustomization.yaml with curated list
-> Creates root-applicationsets.yaml Application
-> Provides bootstrap instructions for ArgoCD UI

Example 3: Add a new cluster to existing ApplicationSets

User: "Onboard example-app-prd cluster to the otel ApplicationSet"
-> Invokes OnboardCluster workflow
-> Reads existing ApplicationSet generator list
-> Adds new cluster element with correct URL, project, branch
-> Creates values file in argo-cd-helm-values repo
-> Validates with kustomize build

Read the full file on GitHub · 79 lines

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 79 lines · 92 tokens per session scan A 6224e32d95bb

Subscribe to this mod's changes

ArgocdClusterBootstrapping is a skill published in the GitHub repository julianobarbosa/claude-code-skills (10 stars, last pushed 14d ago), licensed MIT. It adds 92 tokens to every session and 940 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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