ReddRadar
Agent skill
k8s-networking
Kubernetes networking management for services, ingresses, endpoints, and network policies. Use when configuring connectivity, load balancing, or network isolation.
Install this agent skill to your Project
npx add-skill https://github.com/rohitg00/kubectl-mcp-server/tree/main/kubernetes-skills/claude/k8s-networking
Metadata
Additional technical details for this skill
- tools
- 8
- author
- rohitg00
- version
- 1.0.0
- category
- networking
SKILL.md
Kubernetes Networking
Manage Kubernetes networking resources using kubectl-mcp-server's networking tools.
When to Apply
Use this skill when:
- User mentions: "service", "ingress", "endpoint", "network policy", "load balancer"
- Operations: exposing applications, configuring routing, network isolation
- Keywords: "connectivity", "DNS", "traffic", "port", "firewall"
Priority Rules
| Priority | Rule | Impact | Tools |
|---|---|---|---|
| 1 | Check endpoints before troubleshooting services | CRITICAL | get_endpoints |
| 2 | Verify service selector matches pod labels | HIGH | get_services, get_pods |
| 3 | Review network policies for isolation | HIGH | get_network_policies |
| 4 | Test DNS resolution from within pods | MEDIUM | kubectl_exec |
Quick Reference
| Task | Tool | Example |
|---|---|---|
| List services | get_services |
get_services(namespace) |
| Check backends | get_endpoints |
get_endpoints(namespace) |
| List ingresses | get_ingresses |
get_ingresses(namespace) |
| Network policies | get_network_policies |
get_network_policies(namespace) |
Services
get_services(namespace="default")
describe_service(name="my-service", namespace="default")
create_service(
name="my-service",
namespace="default",
selector={"app": "my-app"},
ports=[{"port": 80, "targetPort": 8080}]
)
create_service(
name="my-lb",
namespace="default",
type="LoadBalancer",
selector={"app": "my-app"},
ports=[{"port": 443, "targetPort": 8443}]
)
Endpoints
get_endpoints(namespace="default")
Ingress
get_ingresses(namespace="default")
describe_ingress(name="my-ingress", namespace="default")
kubectl_apply(manifest="""
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: my-ingress
namespace: default
spec:
rules:
- host: app.example.com
http:
paths:
- path: /
pathType: Prefix
backend:
service:
name: my-service
port:
number: 80
""")
Network Policies
get_network_policies(namespace="default")
describe_network_policy(name="deny-all", namespace="default")
kubectl_apply(manifest="""
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: deny-all
namespace: default
spec:
podSelector: {}
policyTypes:
- Ingress
- Egress
""")
kubectl_apply(manifest="""
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: allow-web
namespace: default
spec:
podSelector:
matchLabels:
app: web
ingress:
- from:
- podSelector:
matchLabels:
app: frontend
ports:
- port: 80
""")
Troubleshooting Connectivity
get_endpoints(namespace="default")
get_network_policies(namespace="default")
kubectl_exec(
pod="debug-pod",
namespace="default",
command="nslookup my-service.default.svc.cluster.local"
)
Related Skills
- k8s-service-mesh - Istio traffic management
- k8s-cilium - Cilium network policies
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