k8s-diagnostics

k8s-diagnostics is a skill for Claude Code, Codex from rohitg00/kubectl-mcp-server. It costs 36 tokens per session (737 once invoked), scanned A, original, MIT.

A Kubernetes troubleshooting guide. Kubernetes is a system for running and managing applications in containers across a cluster of machines.

In plain words
What is it for?
It helps inspect cluster health, check pod and node usage, compare environments such as staging and production, review capacity, and list custom resource types.
Why use it?
It brings health checks, measurements, resource reviews, and environment comparisons into one diagnostic process.

Skill for Claude CodeCodex

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

Good fit It helps inspect cluster health, check pod and node usage, compare environments such as staging and production, review capacity, and list custom resource types.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/rohitg00/kubectl-mcp-server/k8s-diagnostics
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 rohitg00/kubectl-mcp-server --skill k8s-diagnostics
Clone the repo
git clone --depth 1 https://github.com/rohitg00/kubectl-mcp-server

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 k8s-diagnostics

README.md
[![agentmods](https://agentmods.dev/badge/skills/rohitg00/kubectl-mcp-server/k8s-diagnostics/github.svg)](https://agentmods.dev/skills/rohitg00/kubectl-mcp-server/k8s-diagnostics)
Your own site
<a href="https://agentmods.dev/skills/rohitg00/kubectl-mcp-server/k8s-diagnostics"><img src="https://agentmods.dev/badge/skills/rohitg00/kubectl-mcp-server/k8s-diagnostics/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 k8s-diagnostics

Your own site · 80×15
<a href="https://agentmods.dev/skills/rohitg00/kubectl-mcp-server/k8s-diagnostics"><img src="https://agentmods.dev/badge/skills/rohitg00/kubectl-mcp-server/k8s-diagnostics.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 36 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 737 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Privilege Escalation · line 95
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
How audits are shown
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 $0.00036 $0.00737
Opus 5 $0.00018 $0.00368
Sonnet 5 $0.00007 $0.00147
Haiku 4.5 $0.00004 $0.00074

Measured 10d ago against content hash 98e2c82cbffd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

k8s-diagnostics 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.

kubernetes-skills/claude/k8s-diagnostics/SKILL.md · 133 lines

How it starts

The opening of the file, as written. The whole thing — 133 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Kubernetes Diagnostics

Analyze cluster health and compare resources using kubectl-mcp-server's diagnostic tools.

When to Apply

Use this skill when:

  • User mentions: "metrics", "health check", "compare", "analysis", "capacity"
  • Operations: cluster health assessment, environment comparison, resource analysis
  • Keywords: "how much", "usage", "difference between", "capacity planning"

Priority Rules

Priority Rule Impact Tools
1 Check metrics-server before using metrics CRITICAL get_resource_metrics
2 Run health check before deployments HIGH cluster_health_check
3 Compare staging vs prod before release MEDIUM compare_namespaces
4 Document baseline metrics LOW get_nodes_summary

Quick Reference

Task Tool Example
Cluster health cluster_health_check cluster_health_check()
Pod metrics get_resource_metrics get_resource_metrics(namespace)
Node summary get_nodes_summary get_nodes_summary()
Compare envs compare_namespaces compare_namespaces(ns1, ns2, type)
List CRDs list_crds list_crds()

Resource Metrics

get_resource_metrics(namespace="default")

get_node_metrics()

get_top_pods(namespace="default", sort_by="cpu")

get_top_pods(namespace="default", sort_by="memory")

Cluster Health Check

cluster_health_check()

get_cluster_info()

Compare Environments

compare_namespaces(
    namespace1="staging",
    namespace2="production",
    resource_type="deployment"
)

compare_namespaces(
    namespace1="default",
    namespace2="default",
    resource_type="deployment",
    context1="staging-cluster",
    context2="prod-cluster"
)

API Discovery

get_api_versions()

check_crd_exists(crd_name="certificates.cert-manager.io")

list_crds()

Resource Analysis

get_nodes_summary()

kubeconfig_view()

list_contexts_tool()

Read the full file on GitHub · 133 lines

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 · 133 lines · 36 tokens per session scan A 98e2c82cbffd

Subscribe to this mod's changes

k8s-diagnostics is a skill published in the GitHub repository rohitg00/kubectl-mcp-server (956 stars, last pushed 5mo ago), licensed MIT. It adds 36 tokens to every session and 737 once invoked, about $0.0002 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 2026-08-30.