Kubernetes Agent Skill
Kubernetes operations: debugging, security, RBAC, and infrastructure tooling.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/notque/vexjoy-agent --skill kubernetesThe instruction itself
5 sections, as written by the authorKubernetes Skill
Kubernetes debugging, security hardening, and infrastructure tooling. Covers pod triage, RBAC, network policies, and cobaltcore hypervisor components.
Reference Loading Table
| Signal | Reference | Size |
|--------|-----------|------|
| CrashLoopBackOff, OOMKilled, config error, health check, liveness probe, ImagePullBackOff, Pending, FailedScheduling | references/crash-diagnosis.md | ~140 lines |
| service resolution, DNS, CoreDNS, port-forward, NetworkPolicy ingress/egress | references/network-debugging.md | ~50 lines |
| CPU throttling, memory limit, OOMKill, ephemeral storage, DiskPressure, debug container | references/resource-debugging.md | ~100 lines |
| RBAC, Role, RoleBinding, ClusterRole, ServiceAccount, least-privilege | references/rbac-patterns.md | ~60 lines |
| PodSecurity, SecurityContext, runAsNonRoot, readOnlyRootFilesystem, restricted, baseline | references/pod-security.md | ~90 lines |
| NetworkPolicy, default-deny, allow-list, namespace isolation | references/network-policies.md | ~70 lines |
| cosign, Kyverno, OPA, admission controller, Sealed Secrets, External Secrets | references/supply-chain.md | ~120 lines |
| kvm-exporter, metrics, prometheus, libvirt, hypervisor, collector, scrape, steal time, NUMA, cgroups, cloud hypervisor | references/cobalt-kvm-exporter.md | ~800 lines |
| cobaltcore concurrency, goroutine, semaphore, TryLock | references/cobalt-concurrency-patterns.md | ~200 lines |
| cobaltcore testing, mock, moq, Kind cluster | references/cobalt-testing-patterns.md | ~200 lines |
| kubernetes debugging process, triage flow, diagnosis routing | references/kubernetes-debugging.md | ~50 lines |
| kubernetes security process, RBAC + pod security + network hardening | references/kubernetes-security.md | ~50 lines |
| cobaltcore overview, KVM exporter architecture, component identification | references/cobalt-core.md | ~50 lines |
Loading rule. Read the references whose signals match the task before responding.
Phase 1: TRIAGE
Determine which Kubernetes domain the request targets:
| Domain | Load references | Action |
|--------|----------------|--------|
| Pod failure, CrashLoop, OOM | crash-diagnosis, resource-debugging | Triage flow |
| Network, DNS, service resolution | network-debugging, network-policies | Connectivity diagnosis |
| RBAC, permissions, roles | rbac-patterns | Access control |
| Pod hardening, container security | pod-security | Security posture |
| Image signing, secrets, admission | supply-chain | Supply chain |
| Cobaltcore / KVM exporter | kvm-exporter + cobalt refs | Component-specific |
Always specify -n <namespace> explicitly in every kubectl command.
Gate: Domain identified and relevant references loaded.
Phase 2: DIAGNOSE / RESPOND
For debugging: follow the triage flow — describe, logs, events, exec. Use read-only commands to gather evidence before proposing changes.
For security: provide concrete YAML manifests and specific configurations. Answer with reference-backed specifics, not generic advice.
For cobaltcore: use component-specific reference knowledge for architecture, metrics, configuration, and deployment details.
Gate: Specific, reference-backed diagnosis or response provided.
Phase 3: VERIFY
For debugging: confirm the fix resolves the symptom.
For security: validate against the misconfiguration table in supply-chain.md.
For cobaltcore: verify against component test patterns.
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How to use it
Take notque/kubernetes from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.