network

network is a skill for Claude Code, Codex from LuuOW/meridian-mcp. It costs 43 tokens per session (2,440 once invoked), scanned A, original, MIT.

A Linux production networking guide for servers and cloud virtual machines. It covers network interfaces, IP addresses, routes, firewalls, VPNs, traffic checks, and troubleshooting connections across the system.

In plain words
What is it for?
Use it to inspect listening ports, manage interfaces and routes, configure network settings, check traffic and bandwidth, and debug reachability on bare-metal servers or cloud VPSs.
Why use it?
It helps locate whether a connectivity problem comes from the server, network path, firewall, or application. It brings common checks and configuration tasks into one place.

Skill for Claude CodeCodex

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

Good fit Use it to inspect listening ports, manage interfaces and routes, configure network…

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/luuow/meridian-mcp/network
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 LuuOW/meridian-mcp --skill network
Clone the repo
git clone --depth 1 https://github.com/LuuOW/meridian-mcp

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 network

README.md
[![agentmods](https://agentmods.dev/badge/skills/luuow/meridian-mcp/network.svg)](https://agentmods.dev/skills/luuow/meridian-mcp/network)
Your own site
<a href="https://agentmods.dev/skills/luuow/meridian-mcp/network"><img src="https://agentmods.dev/badge/skills/luuow/meridian-mcp/network.svg" alt="Measured on agentmods" height="20"></a>
Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,440 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00043 $0.02440
Opus 5 $0.00022 $0.01220
Sonnet 5 $0.00009 $0.00488
Haiku 4.5 $0.00004 $0.00244

Measured 6d ago against content hash 50ab745063d4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

network scanned grade A with 1 finding 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 6d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -sv --max-time 5 https://api.example.com/health
skills/network/SKILL.md · 304 lines

How it starts

The opening of the file, as written. The whole thing — 304 lines — stays where its author put it; the contents beside it link to each section on GitHub.

network

General-purpose production networking for self-hosted VPS and cloud VM deployments. Framework-agnostic — applies across Python, Node, Go, and any service running on Linux. Covers the full stack from kernel interface configuration through application-layer diagnostics. Anchors specialist skills in DNS, TLS, VPN, firewall, and port scanning.

Interface and Address Management

# Show all interfaces and addresses
ip addr show
ip link show

# Bring interface up/down
ip link set eth0 up
ip link set eth0 down

# Add a temporary IP alias (survives until reboot)
ip addr add 10.0.0.2/24 dev eth0

# Show routing table and trace path to a host
ip route show
ip route get 8.8.8.8

# Show ARP cache
ip neigh show
# /etc/netplan/00-installer-config.yaml — Ubuntu 22.04+
network:
  version: 2
  ethernets:
    eth0:
      dhcp4: true
      nameservers:
        addresses: [1.1.1.1, 8.8.8.8]
      routes:
        - to: 10.0.0.0/8
          via: 192.168.1.1
netplan apply     # apply without reboot
netplan try       # apply with 2-min auto-rollback

Port and Socket Inspection

# What is listening and who owns it
ss -tlnp          # TCP listening, numeric, with process
ss -ulnp          # UDP listening
ss -tnp state established        # active connections
ss -tlnp sport = :443            # filter to port 443
ss -s                            # socket summary (counts by state)

# Which process owns a port
lsof -i :8080
fuser 8080/tcp

# Watch connection counts in real time
watch -n1 'ss -s'

Routing and Forwarding

# Enable kernel IP forwarding (required for VPN gateways and Docker)
echo 'net.ipv4.ip_forward=1'          >> /etc/sysctl.conf
echo 'net.ipv6.conf.all.forwarding=1' >> /etc/sysctl.conf
sysctl -p

# Port forwarding: redirect external :80 to internal :8080
iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080

# MASQUERADE (NAT for VPN/container egress)
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

# Policy routing: send traffic from 10.8.0.0/24 via a different gateway
ip rule add from 10.8.0.0/24 table 100
ip route add default via 192.168.2.1 table 100

Read the full file on GitHub · 304 lines

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. 6d ago First seen · 304 lines · 43 tokens per session scan A 50ab745063d4

Subscribe to this mod's changes

network is a skill published in the GitHub repository LuuOW/meridian-mcp (0 stars, last pushed 2d ago), licensed MIT. It adds 43 tokens to every session and 2,440 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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