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k8s-manifest-generator — Claude Code skill: manifests and setup

This skill generates Kubernetes manifests for application resources and configuration. Use it when you need Deployments, Services, ConfigMaps, Secrets, or PersistentVolumeClaims.

Install into Claude Code · Plugin marketplace All methods and platforms ↓ 
/plugin marketplace add wshobson/agents
/plugin install kubernetes-operations@claude-code-workflows
Open on GitHub

What k8s-manifest-generator does

k8s-manifest-generator guides an agent through Kubernetes YAML for Deployment, Service, ConfigMap, Secret, and PersistentVolumeClaim. It covers resource requests and limits, health checks, security contexts, labels, naming conventions, and specific image tags.

The skill also covers separating configuration from code, validating manifests before applying them, keeping them in Git, and preparing configurations for multiple environments. More detailed patterns are stored in references/details.md. Troubleshooting examples use commands such as kubectl describe pod <pod-name>, kubectl get events --sort-by='.lastTimestamp', and kubectl get configmap,secret.

Check the Service selector against Pod labels before debugging connectivity. A mismatch leaves the Service without the expected endpoints. The skill is available for Claude Code, Codex, and Cursor.

What it helps with

  • create a Deployment for an application
  • define a Service for network connectivity
  • separate settings into ConfigMaps and Secrets
  • add health checks and security contexts
  • prepare a PersistentVolumeClaim for stateful workloads

Example prompts for the agent

  • Generate Kubernetes manifests for my application: `Deployment`, `Service`, `ConfigMap`, and `Secret`. Add resource requests, limits, and health checks.
  • Create a stateful workload manifest with `PersistentVolumeClaim`, standard labels, and a security context. Check the references between the resources.
  • Investigate why the Pod is not starting with `kubectl describe pod <pod-name>`, `kubectl get nodes`, and `kubectl get events --sort-by='.lastTimestamp'`.

How to install k8s-manifest-generator

1Plugin marketplace

/plugin marketplace add wshobson/agents
/plugin install kubernetes-operations@claude-code-workflows

This installs the whole kubernetes-operations plugin with all its skills

2Skills CLI (Vercel)

npx skills add wshobson/agents --skill k8s-manifest-generator -a claude-code

3Manually: put the files in place

~/.claude/skills/k8s-manifest-generator/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/k8s-manifest-generator/

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Questions about k8s-manifest-generator

How do I install k8s-manifest-generator in Claude Code?

Run /plugin marketplace add wshobson/agents, then run /plugin install kubernetes-operations@claude-code-workflows.

What does k8s-manifest-generator do?

It guides the agent in creating Kubernetes manifests for Deployment, Service, ConfigMap, Secret, and PersistentVolumeClaim, with resource limits, health checks, and security settings.

What should I check when a Service is not reachable?

Check whether the Service selector matches the Pod labels, then review the Service type and port. Use kubectl get endpoints <service-name> to inspect the endpoints.

Source text

SKILL.md · MIT 
---
name: k8s-manifest-generator
description: Create production-ready Kubernetes manifests for Deployments, Services, ConfigMaps, and Secrets following best practices and security standards. Use when generating Kubernetes YAML manifests, creating K8s resources, or implementing production-grade Kubernetes configurations.
---

# Kubernetes Manifest Generator

Step-by-step guidance for creating production-ready Kubernetes manifests including Deployments, Services, ConfigMaps, Secrets, and PersistentVolumeClaims.

## Purpose

This skill provides comprehensive guidance for generating well-structured, secure, and production-ready Kubernetes manifests following cloud-native best practices and Kubernetes conventions.

## When to Use This Skill

Use this skill when you need to:

- Create new Kubernetes Deployment manifests
- Define Service resources for network connectivity
- Generate ConfigMap and Secret resources for configuration management
- Create PersistentVolumeClaim manifests for stateful workloads
- Follow Kubernetes best practices and naming conventions
- Implement resource limits, health checks, and security contexts
- Design manifests for multi-environment deployments

## Detailed patterns and worked examples

Detailed pattern documentation lives in `references/details.md`. Read that file when the navigation tier above is insufficient.

## Best Practices Summary

1. **Always set resource requests and limits** - Prevents resource starvation
2. **Implement health checks** - Ensures Kubernetes can manage your application
3. **Use specific image tags** - Avoid unpredictable deployments
4. **Apply security contexts** - Run as non-root, drop capabilities
5. **Use ConfigMaps and Secrets** - Separate config from code
6. **Label everything** - Enables filtering and organization
7. **Follow naming conventions** - Use standard Kubernetes labels
8. **Validate before applying** - Use dry-run and validation tools
9. **Version your manifests** - Keep in Git with version control
10. **Document with annotations** - Add context for other developers

## Troubleshooting

**Pods not starting:**

- Check image pull errors: `kubectl describe pod <pod-name>`
- Verify resource availability: `kubectl get nodes`
- Check events: `kubectl get events --sort-by='.lastTimestamp'`

**Service not accessible:**

- Verify selector matches pod labels: `kubectl get endpoints <service-name>`
- Check service type and port configuration
- Test from within cluster: `kubectl run debug --rm -it --image=busybox -- sh`

**ConfigMap/Secret not loading:**

- Verify names match in Deployment
- Check namespace
- Ensure resources exist: `kubectl get configmap,secret`

## Next Steps

After creating manifests:

1. Store in Git repository
2. Set up CI/CD pipeline for deployment
3. Consider using Helm or Kustomize for templating
4. Implement GitOps with ArgoCD or Flux
5. Add monitoring and observability

## Related Skills

- `helm-chart-scaffolding` - For templating and packaging
- `gitops-workflow` - For automated deployments
- `k8s-security-policies` - For advanced security configurations

© Seth Hobson · MIT · wshobson/agents

See also

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