networking

networking is a skill for Claude Code, Codex from codeready-toolchain/tarsy. It costs 17 tokens per session (54 once invoked), scanned A, original, Apache-2.0.

A set of network troubleshooting instructions for checking how computers find services and connect to them. DNS maps names such as example.com to addresses, while TCP carries connections between programs.

In plain words
What is it for?
Use it to diagnose DNS lookups with dig or nslookup, test TCP ports with netcat or telnet, and analyse packets.
Why use it?
It gives you practical checks when a service cannot be found, a port cannot be reached, or network traffic needs investigation.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/codeready-toolchain/tarsy/networking
Any agent
npx skills add codeready-toolchain/tarsy --skill networking
Clone the repo
git clone --depth 1 https://github.com/codeready-toolchain/tarsy

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 networking

README.md
[![agentmods](https://agentmods.dev/badge/skills/codeready-toolchain/tarsy/networking.svg)](https://agentmods.dev/skills/codeready-toolchain/tarsy/networking)
Your own site
<a href="https://agentmods.dev/skills/codeready-toolchain/tarsy/networking"><img src="https://agentmods.dev/badge/skills/codeready-toolchain/tarsy/networking.svg" alt="Measured on agentmods" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 54 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00017 $0.00054
Opus 5 $0.00009 $0.00027
Sonnet 5 $0.00003 $0.00011
Haiku 4.5 $0.00002 $0.00005

Measured 4d ago against content hash 5d24bfac0c2c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

networking 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 4d 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.

pkg/config/testdata/skills/networking/SKILL.md · 13 lines

What it actually says

Networking

DNS Resolution

Use dig and nslookup to diagnose DNS issues.

TCP Connectivity

Use netcat and telnet to test port connectivity.

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. 4d ago First seen · 13 lines · 17 tokens per session scan A 5d24bfac0c2c

Subscribe to this mod's changes

networking is a skill published in the GitHub repository codeready-toolchain/tarsy (10 stars, last pushed today), licensed Apache-2.0. It adds 17 tokens to every session and 54 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 2026-08-31.

Related

Other skills, from other repositories

eng-runbook

服务概述 + alerts 表 + dashboards + 操作命令 + on-call + 事故清单.

nexu-io/html-anything · 25 tokens

Incident Response Planner

Analyze an infrastructure incident alert and produce a structured response plan plus an executable on-call runbook. Use for incident, alert, on-call, and runbook requests.

AgentEra/Agently · 37 tokens

cluster-events

Analyze cluster-wide Kubernetes events to identify issues and patterns. Aggregates Warning events, detects high-frequency patterns, and correlates related events.

scitix/siclaw · 30 tokens

networkpolicy-debug

Diagnose NetworkPolicy-related connectivity issues (traffic unexpectedly blocked, default-deny effects, egress blocking DNS). Identifies which NetworkPolicies affect a pod, checks ingress/egress rules, and verifies CNI support.

scitix/siclaw · 48 tokens

node-logs

Retrieve logs from a Kubernetes node — systemd units (journalctl) or files under /var/log. Use when you need node-level evidence: containerd, kubelet, kernel/OOM, or anything the pod's own log cannot show. Three access paths in order: hostscript (SSH), nodescript (debug pod), and localscript against the kubelet log…

scitix/siclaw · 84 tokens

statefulset-debug

Diagnose StatefulSet rollout and scaling failures (ordered update stuck, OnDelete not updating, partition misconfiguration, PVC binding deadlocks). Checks update strategy, pod ordinal progression, PVC bindings, and ordered startup to identify why a StatefulSet is not progressing.

scitix/siclaw · 56 tokens