helm-chart

helm-chart is a skill for Claude Code, Codex from Aidas-dev/k8s-agent-skills. It costs 35 tokens per session (5,447 once invoked), scanned A, original, MIT.

Instructions for creating Helm charts, which package Kubernetes application configuration into reusable templates. They cover chart files, template syntax, configuration values, validation, dependencies, and tests.

In plain words
What is it for?
Use them to create or modify chart templates, design values files and schemas, add helper templates and dependencies, build library charts, and test rendered output.
Why use it?
They help you structure charts consistently and catch invalid configuration or rendering mistakes before deployment.

Skill for Claude CodeCodex

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

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is helm lint ./mychart --values ./mychart/ci/ci-values.yaml.

Good fit Use them to create or modify chart templates, design values files and schemas, add helper templates and dependencies, build library charts, and test rendered output.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/Aidas-dev/k8s-agent-skills
agentmods
npx agentmods add skills/aidas-dev/k8s-agent-skills/helm-chart

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 helm-chart

README.md
[![agentmods](https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/helm-chart/github.svg)](https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/helm-chart)
Your own site
<a href="https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/helm-chart"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/helm-chart/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 helm-chart

Your own site · 80×15
<a href="https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/helm-chart"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/helm-chart.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,447 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00035 $0.05447
Opus 5 $0.00017 $0.02723
Sonnet 5 $0.00007 $0.01089
Haiku 4.5 $0.00003 $0.00545

Measured 8d ago against content hash a76387a1fe66, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

helm-chart scanned grade A with 1 finding 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 8d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- name: curl
skills/helm-chart/SKILL.md · 711 lines

How it starts

The opening of the file, as written. The whole thing — 711 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Helm — Writing Charts

Covers chart structure, Go template syntax, values design, and testing. For operations (deploy, inspect, GitOps) see helm-ops.

Chart Anatomy

mychart/
  Chart.yaml          # name, version, appVersion, dependencies
  values.yaml         # Default config (API contract)
  values.schema.json  # JSON Schema validation (strongly recommended)
  .helmignore         # Glob patterns for files to exclude when packaging
  charts/             # Packed subchart deps (helm dependency build)
  crds/               # CRD manifests — installed once, never updated by Helm
  templates/          # Go templates → K8s manifests
    _helpers.tpl      # Named template helpers (underscore = not rendered as manifest)
    deployment.yaml   # One resource per file, name reflects kind
    service.yaml
    ingress.yaml
    hpa.yaml
    NOTES.txt         # Post-install message (template, shown on helm install/status)
    tests/
      test-connection.yaml
  Chart.lock          # Dep lock file (generated)
  ci/                 # CI test values (optional, strongly recommended)
    ci-values.yaml    # Enables all feature toggles for CI rendering

File rules:

  • .yaml extension for manifest templates. .tpl for helpers that produce no output.
  • Dashed notation for file names (my-app-deployment.yaml), never camelCase.
  • One K8s resource per file. Filename reflects the resource kind.
  • Files starting with _ are not rendered as manifests — only _helpers.tpl is conventional.

Chart.yaml

apiVersion: v2           # v1 is legacy, v2 for all Helm 3+ charts
name: myapp
version: 0.1.0           # Chart version — semver, bumps independently of appVersion
appVersion: "1.16.0"     # App image version (informational, not used by Helm)
kubeVersion: ">=1.28.0"  # Optional: minimum K8s version
type: application        # application or library
dependencies:
  - name: redis
    version: ">=17.0.0"
    repository: oci://registry-1.docker.io/bitnamicharts
    condition: redis.enabled
    alias: cache
    tags:
      - cache

Read the full file on GitHub · 711 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. 8d ago First seen · 711 lines · 35 tokens per session scan A a76387a1fe66

Subscribe to this mod's changes

helm-chart is a skill published in the GitHub repository Aidas-dev/k8s-agent-skills (2 stars, last pushed 25d ago), licensed MIT. It adds 35 tokens to every session and 5,447 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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