home-ops: Skill for Claude Code

.claude/skills/domain-docs/SKILL.md

domain-docs is a skill for Claude Code from gavinmcfall/home-ops. It costs 58 tokens per session (1,917 once invoked), scanned A, original, MIT.

A guide for creating and checking documentation for application domains from Kubernetes configuration files. Kubernetes is a system for deploying and managing containerised applications.

In plain words
What is it for?
Use it to create, update, or audit domain documents based on namespaces, applications, Flux settings, Helm releases, routes, storage, and secrets.
Why use it?
It keeps domain documentation aligned with actual deployment manifests and reports when membership or generated facts have drifted.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is gavinmcfall/home-ops's own configuration. It tells Claude Code how to work on home-ops itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything home-ops configures →

Reuse

Borrowing it

Nothing to install: this file belongs to gavinmcfall/home-ops. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/gavinmcfall/home-ops/main/.claude/skills/domain-docs/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/gavinmcfall/home-ops

Made for: Claude Code.

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 domain-docs

README.md
[![agentmods](https://agentmods.dev/badge/skills/gavinmcfall/home-ops/domain-docs/github.svg)](https://agentmods.dev/skills/gavinmcfall/home-ops/domain-docs)
Your own site
<a href="https://agentmods.dev/skills/gavinmcfall/home-ops/domain-docs"><img src="https://agentmods.dev/badge/skills/gavinmcfall/home-ops/domain-docs/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 domain-docs

Your own site · 80×15
<a href="https://agentmods.dev/skills/gavinmcfall/home-ops/domain-docs"><img src="https://agentmods.dev/badge/skills/gavinmcfall/home-ops/domain-docs.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,917 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 medium

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 →

  • medium MCP Rug Pull · line 124
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
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 $0.00058 $0.01917
Opus 5.5 $0.00023 $0.00767
Sonnet 5.5 $0.00012 $0.00383
Haiku 4.5 $0.00006 $0.00192

Measured 2mo ago against content hash c58d6c87997e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

domain-docs 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 2mo 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.

.claude/skills/domain-docs/SKILL.md · 161 lines

How it starts

The opening of the file, as written. The whole thing — 161 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Domain Docs

Produce structurally identical, manifest-accurate domain documentation. Spec: docs/superpowers/specs/2026-08-15-domain-docs-skill-design.md.

Inputs

  • domains.yaml (this directory) — the ONLY source of domain membership.
  • kubernetes/apps/<ns>/<app>/ (+ flux/ if needed) — the ONLY source of generated facts. Read per app: ks.yaml (Flux Kustomization: dependsOn, components), app/helmrelease.yaml (chart, image, env, route, persistence), app/*.yaml (externalsecret, pvc, httproute if split out).
  • templates/ (this directory) — structure of every output file.

Membership resolution

namespaces minus exclude plus include (entries are <ns>/<app> paths). An app may appear in multiple domains; each mention links to the owning domain's context.md for depth. Any app under a registry-claimed namespace that resolves to no domain → drift report. Never guess membership.

Membership is one member per leaf directory that contains its own ks.yaml under a claimed namespace path — a grouping directory (e.g. exporters/) is not itself a member, it enumerates its leaf children. include/exclude entries are taken literally as written and may carry intermediate path segments (e.g. observability/exporters/blackbox-exporter). The Apps table's Namespace column reports the leaf's ks.yaml spec.targetNamespace (where its resources actually land), which can differ from the claimed namespace the directory lives under — membership still follows the owning directory, not targetNamespace. The Apps table's DependsOn column is sourced from ks.yaml spec.dependsOn only (Kustomization-level, Flux ordering); a HelmRelease's own spec.dependsOn is a different, unrelated field and is never surfaced in that column.

One-liner descriptions

The overview.md Components "What it does" column must be deterministic — resolve each app's one-liner via this precedence, stopping at the first hit:

  1. domains.yaml → <domain>.descriptions.<app>, if the registry entry has a descriptions: map with this app as a key. Registry-authored text always wins.
  2. The app's gethomepage.dev/description route annotation, used verbatim — no editorial extensions, no appended clauses. A commented-out annotation is not a source and does not count.
  3. Fixed fallback string: No description — add one to domains.yaml or a gethomepage annotation.

Read the full file on GitHub · 161 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2mo ago First seen · 161 lines · 58 tokens per session scan A c58d6c87997e

Subscribe to this mod's changes

domain-docs is a skill published in the GitHub repository gavinmcfall/home-ops (37 stars, last pushed today), licensed MIT. It adds 58 tokens to every session and 1,917 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-09-01.

Related

domain-docs compared with skills from other repositories

domain-docs next to 6 skills from other repositories
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domain-docsgavinmcfall/home-opsSkill37todayMITA58Claude Code
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bex-background-workersbex-co/bexSkill577todayApache-2.0A118Claude Code, Codex
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bex-monitorbex-co/bexSkill577todayApache-2.0A45Claude Code, Codex