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.
npx skills add Sagart-cactus/claude-k8s-plugin --skill k8s-quality-checklistgit clone --depth 1 https://github.com/Sagart-cactus/claude-k8s-pluginWrote 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.
[](https://agentmods.dev/skills/sagart-cactus/claude-k8s-plugin/k8s-quality-checklist)<a href="https://agentmods.dev/skills/sagart-cactus/claude-k8s-plugin/k8s-quality-checklist"><img src="https://agentmods.dev/badge/skills/sagart-cactus/claude-k8s-plugin/k8s-quality-checklist/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.
<a href="https://agentmods.dev/skills/sagart-cactus/claude-k8s-plugin/k8s-quality-checklist"><img src="https://agentmods.dev/badge/skills/sagart-cactus/claude-k8s-plugin/k8s-quality-checklist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00022 | $0.00675 |
| Opus 5 | $0.00011 | $0.00338 |
| Sonnet 5 | $0.00004 | $0.00135 |
| Haiku 4.5 | $0.00002 | $0.00068 |
Grade A, and why
k8s-quality-checklist 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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Kubernetes Operator Quality Checklist
Use this checklist to evaluate operator quality before considering it production-ready or before each iteration.
Safety (dev-only)
- Target cluster is kind or an explicitly allowed dev cluster
- Leader election disabled for dev overlay
- Single replica manager in dev
- Webhook timeouts are short for dev (e.g., 10s)
- Webhook only mutates resources it owns or is explicitly allowed to modify
- No destructive operations without explicit user confirmation
CRD Quality
- Structural schema is valid and complete
- Required fields are properly marked
- Default values are defined for optional fields where sensible
- Status subresource is enabled when status is used
- Printer columns defined for useful
kubectl getoutput - CRD categories are set for discoverability
- Validation markers enforce all invariants from requirements
Webhook Quality
- Validating webhook covers all invariants
- Mutating webhook only defaults safe, optional fields
- Immutable fields are enforced on update
- Cross-field validation is implemented
- Clear error messages are returned on rejection
- Failure policy is appropriate for the environment
- Certificates exist and are correctly mounted
- Webhook service endpoints resolve
RBAC Quality
- Minimal verbs: only what the controller actually needs
- Minimal resources: no wildcards unless justified
- No unnecessary cluster-wide permissions
- Separate roles for manager and webhook if they have different needs
- ServiceAccount is dedicated (not
default)
Controller Quality
- Reconcile loop is idempotent
- Owner references set on all created resources
- Finalizers used for cleanup of external resources
- Status conditions follow standard types (Ready, Progressing, Degraded)
- Events recorded for significant state changes
- Requeue with backoff for transient errors
- No long-running operations in reconcile (use async patterns)
Fast Loop Quality
make dev/tilt upstarts without errors- Local compile succeeds
- Binary sync into running pod works reliably
- Process restart is reliable after sync
- Logs show new version after code edit
- CRD changes are applied through Kustomize automatically
- Webhook changes take effect without manual restart
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.
- 12d ago First seen · 85 lines · 22 tokens per session scan A 8add2d18c318
k8s-quality-checklist is a skill published in the GitHub repository Sagart-cactus/claude-k8s-plugin (34 stars, last pushed 6mo ago), licensed MIT. It adds 22 tokens to every session and 675 once invoked, about $0.0001 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.
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