gitops-overlay

gitops-overlay is a skill for Claude Code, Codex from paruff/uFawkesAI. It costs 30 tokens per session (546 once invoked), scanned A, original, MIT.

A checker for GitOps environment configurations managed with Kustomize. GitOps means using Git as the source of truth for deploying infrastructure and applications.

In plain words
What is it for?
It validates Kustomize builds, development/staging/production overlays, container image references, ConfigMaps, and external secret references.
Why use it?
It detects broken configuration, unsafe image tags, mixed environment settings, and exposed secrets before deployment.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; installed under .agents/ (shared by several agents); mentions Codex.

Good fit It validates Kustomize builds, development/staging/production overlays, container image references, ConfigMaps, and external…

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Install with agentmods
npx agentmods add skills/paruff/ufawkesai/gitops-overlay
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 paruff/uFawkesAI --skill gitops-overlay
Clone the repo
git clone --depth 1 https://github.com/paruff/uFawkesAI

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 gitops-overlay

README.md
[![agentmods](https://agentmods.dev/badge/skills/paruff/ufawkesai/gitops-overlay.svg)](https://agentmods.dev/skills/paruff/ufawkesai/gitops-overlay)
Your own site
<a href="https://agentmods.dev/skills/paruff/ufawkesai/gitops-overlay"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/gitops-overlay.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 546 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.
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 $0.00030 $0.00546
Opus 5 $0.00015 $0.00273
Sonnet 5 $0.00006 $0.00109
Haiku 4.5 $0.00003 $0.00055

Measured 3d ago against content hash c2e7d89dc413, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

gitops-overlay 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 3d 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.

.agents/skills/review/gitops-overlay/SKILL.md · 96 lines

What it actually says

Skill: GitOps Overlay Validation

Load trigger: "load gitops-overlay skill" > DORA: Cap 1 (AI Policy) Token cost: Low

Purpose

Validate GitOps overlays for correctness and compliance.

Responsibilities

  • Validate kustomize builds succeed
  • Validate environment overlays
  • Validate image tags and digests
  • Validate configmaps and secrets

Inputs

  • overlays/ directory
  • version.json

Outputs

  • gitops-overlay.json

Validation Rules

Kustomize Build

  • kustomize build overlays/dev succeeds
  • kustomize build overlays/staging succeeds
  • kustomize build overlays/production succeeds
  • No broken references or patches

Environment Separation

  • Dev, staging, production overlays present
  • Environment-specific values in patches only
  • Base manifests referenced, not duplicated
  • No dev-only configs leaking to production

Image Management

  • Image tags immutable in production (digest-pinned)
  • No :latest tag in production
  • Image pull secrets referenced correctly

Secrets

  • No plaintext secrets in overlays
  • Secrets externalized (ExternalSecrets, SealedSecrets)
  • Secret references valid

Configuration

  • ConfigMaps contain non-sensitive config only
  • Environment-specific values correct
  • Resource limits appropriate per environment

Tools

  • kustomize build for validation
  • yq for YAML inspection
  • ArgoCD for sync validation

Output Format

{
  "skill": "gitops-overlay",
  "status": "pass | fail",
  "overlays": {
    "dev": { "build": "pass", "issues": [] },
    "staging": { "build": "pass", "issues": [] },
    "production": { "build": "fail", "issues": ["Image tag uses :latest"] }
  },
  "violations": []
}

Success Criteria

  • All overlays build successfully
  • Environment separation enforced
  • No plaintext secrets in Git
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. 3d ago First seen · 96 lines · 30 tokens per session scan A c2e7d89dc413

Subscribe to this mod's changes

gitops-overlay is a skill published in the GitHub repository paruff/uFawkesAI (2 stars, last pushed 14d ago), licensed MIT. It adds 30 tokens to every session and 546 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 2026-09-03.

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