syn-k8s-netpolicy

syn-k8s-netpolicy is a skill for Claude Code, Codex from legendtkl/agentic-skill-router. It costs 51 tokens per session (164 once invoked), scanned A, original, MIT.

A Kubernetes skill for isolating network traffic between application copies and controlling which connections are allowed.

In plain words
What is it for?
Use it to create network rules that allow selected incoming and outgoing traffic by labels and ports.
Why use it?
It helps block unwanted communication by default and limit services to approved connections.

Skill for Claude CodeCodex

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

Good fit Use it to create network rules that allow selected incoming and outgoing traffic by labels and ports.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/legendtkl/agentic-skill-router/syn-k8s-netpolicy
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 legendtkl/agentic-skill-router --skill syn-k8s-netpolicy
Clone the repo
git clone --depth 1 https://github.com/legendtkl/agentic-skill-router

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 syn-k8s-netpolicy

README.md
[![agentmods](https://agentmods.dev/badge/skills/legendtkl/agentic-skill-router/syn-k8s-netpolicy/github.svg)](https://agentmods.dev/skills/legendtkl/agentic-skill-router/syn-k8s-netpolicy)
Your own site
<a href="https://agentmods.dev/skills/legendtkl/agentic-skill-router/syn-k8s-netpolicy"><img src="https://agentmods.dev/badge/skills/legendtkl/agentic-skill-router/syn-k8s-netpolicy/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 syn-k8s-netpolicy

Your own site · 80×15
<a href="https://agentmods.dev/skills/legendtkl/agentic-skill-router/syn-k8s-netpolicy"><img src="https://agentmods.dev/badge/skills/legendtkl/agentic-skill-router/syn-k8s-netpolicy.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 164 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 $0.00051 $0.00164
Opus 5 $0.00026 $0.00082
Sonnet 5 $0.00010 $0.00033
Haiku 4.5 $0.00005 $0.00016

Measured 9d ago against content hash 4ca90052c809, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

syn-k8s-netpolicy 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 9d 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.

experiments/dci-compare/synthetic-skills/syn-k8s-netpolicy/SKILL.md · 23 lines

What it actually says

Kubernetes: network policy isolation

When to use

Use this skill for network policy isolation in Kubernetes. This skill specifically handles network policy isolation and nothing else in the Kubernetes family.

Procedure

Write NetworkPolicy resources to default-deny traffic and explicitly allow pod-to-pod ingress/egress by label selector and port.

Notes

This is the Kubernetes skill dedicated to network policy isolation. Sibling skills cover other Kubernetes capabilities; this one is the right choice only when the task is about network policy isolation.

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. 9d ago First seen · 23 lines · 0 tokens per session scan A 4ca90052c809

Subscribe to this mod's changes

syn-k8s-netpolicy is a skill published in the GitHub repository legendtkl/agentic-skill-router (5 stars, last pushed 3mo ago), licensed MIT. It adds 51 tokens to every session and 164 once invoked, about $0.0003 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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