gns3-link-management

gns3-link-management is a skill for Claude Code from automateyournetwork/netclaw. It costs 20 tokens per session (916 once invoked), scanned A, original, Apache-2.0.

A tool for connecting, disconnecting, listing, and temporarily disabling links between devices in GNS3, a program for building virtual network labs.

In plain words
What is it for?
Use it to build network topologies, inspect interface connections, remove links, and re-enable links after isolation tests.
Why use it?
It removes the need to edit a network diagram manually when testing how devices connect or isolating one device.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: built for openclaw.

Good fit Use it to build network topologies, inspect interface connections, remove links, and re-enable links after isolation tests.

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Install with agentmods
npx agentmods add skills/automateyournetwork/netclaw/gns3-link-management
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 automateyournetwork/netclaw --skill gns3-link-management
Clone the repo
git clone --depth 1 https://github.com/automateyournetwork/netclaw

Made for: Claude Code.

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 gns3-link-management

README.md
[![agentmods](https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gns3-link-management/github.svg)](https://agentmods.dev/skills/automateyournetwork/netclaw/gns3-link-management)
Your own site
<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/gns3-link-management"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gns3-link-management/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 gns3-link-management

Your own site · 80×15
<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/gns3-link-management"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gns3-link-management.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 916 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00020 $0.00916
Opus 5 $0.00010 $0.00458
Sonnet 5 $0.00004 $0.00183
Haiku 4.5 $0.00002 $0.00092

Measured 9d ago against content hash 239c75e7c469, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

gns3-link-management 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.

workspace/skills/gns3-link-management/SKILL.md · 117 lines

How it starts

The opening of the file, as written. The whole thing — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create and manage links between node interfaces in GNS3 projects. Build network topologies by connecting devices and isolate nodes for testing.

When to Use

  • Connecting two network devices together
  • Building out a network topology
  • Viewing existing connections in a lab
  • Removing links between devices
  • Isolating a node without deleting its links
  • Re-enabling links after isolation testing

MCP Server

  • Command: python3 -u mcp-servers/gns3-mcp-server/gns3_mcp_server.py (stdio transport)
  • Requires: GNS3_URL, GNS3_USER, GNS3_PASSWORD environment variables

Available Tools

Tool Parameters What It Does
gns3_list_links project_id List all links with connected nodes and interfaces
gns3_create_link project_id, node1, port1, node2, port2 Create a link between two interfaces
gns3_delete_link project_id, link_id Delete a link
gns3_isolate_node project_id, node_id, isolate Disable/enable all links to a node

Interface Name Formats

The tools support multiple interface naming conventions:

Format Example Adapter Port
eth# eth0, eth1 0 0, 1
Ethernet# Ethernet0 0 0
Gi#/# Gi0/0, Gi0/1 0 0, 1
GigabitEthernet#/# GigabitEthernet0/0 0 0
Fa#/# Fa0/0, Fa0/1 0 0, 1
e# e0, e1 0 0, 1
port# port0, port1 0 0, 1
#/# 0/0, 0/1 0 0, 1

Workflow Examples

Build a Topology

# Connect router to switch
"Connect router1 Gi0/0 to switch1 eth0 in routing-test"

# Connect switch to another router
"Connect switch1 eth1 to router2 Gi0/0 in routing-test"

# Connect hosts to switch
"Connect host1 eth0 to switch1 eth2 in routing-test"

View Topology

# List all connections
"List all links in routing-test"

Isolate for Testing

# Isolate a node (disable all its links)
"Isolate router1 in routing-test"

# Test behavior with router1 disconnected...

# Re-enable links
"Unisolate router1 in routing-test"

Read the full file on GitHub · 117 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. 9d ago First seen · 117 lines · 20 tokens per session scan A 239c75e7c469

Subscribe to this mod's changes

gns3-link-management is a skill published in the GitHub repository automateyournetwork/netclaw (657 stars, last pushed 6d ago), licensed Apache-2.0. It adds 20 tokens to every session and 916 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 2026-09-03.

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