Cisco gns3

Skill bradmccloskey/claude-cisco-skills/cisco-gns3

Nine Claude Code skills for Cisco network automation: backup, config gen, discovery, QoS testing, security audit.

Install

npx -y skills add bradmccloskey/claude-cisco-skills --skill cisco-gns3

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

2 things to look at

16 days oldThe repository was created 16 days ago. New is not bad, but a brand new repository carrying a familiar-sounding name is the shape a typosquat arrives in, and there has been no time for anyone else to find a problem with it.
0 stars0 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

What its author says it does

Copied from the file, not written here

Generate Python scripts for managing GNS3 lab topologies and automating Cisco lab environments. Use when the user wants to build, manage, or automate GNS3 labs for testing Cisco configurations.

SKILL.md

2.2 KB, 519 tokens by cl100k_base, as published. Nobody here has run it

GNS3 Lab Automation Scripts

Write Python scripts for managing GNS3 Cisco lab environments. Follow these standards:

Capabilities

Topology Management via GNS3 REST API

Create/delete projects
Add/remove nodes (routers, switches, firewalls)
Create/delete links between nodes
Start/stop/suspend nodes
Export and import topologies

Lab Provisioning

Bootstrap device configs via console (telnetlib or netmiko to console port)
Push initial configs to all devices in a topology
Reset lab to known-good baseline state
Clone topologies for parallel testing

Lab Testing Workflows

Build topology → push configs → run tests → collect results → tear down
Compare behavior across different IOS versions
Pre/post change validation in lab before production

GNS3 API Basics

# GNS3 server API (default: http://localhost:3080)
# GET  /v2/projects                  - list projects
# POST /v2/projects                  - create project
# GET  /v2/projects/{id}/nodes       - list nodes
# POST /v2/projects/{id}/nodes       - create node
# POST /v2/projects/{id}/links       - create link
# POST /v2/projects/{id}/nodes/{id}/start  - start node

Libraries to Use

requests for GNS3 REST API
telnetlib or netmiko for console access to devices
time / asyncio for boot wait and polling
yaml for topology definitions
jinja2 for config templates

Topology Definition Format (YAML)

project_name: ospf-lab
nodes:
  - name: R1
    template: "Cisco IOSv"
    console_port: 5001
    config: configs/r1.cfg
  - name: R2
    template: "Cisco IOSv"
    console_port: 5002
    config: configs/r2.cfg
links:
  - endpoints: ["R1:Gi0/1", "R2:Gi0/1"]
    subnet: 10.0.12.0/30

Output Requirements

Report node status (started/stopped)
Show console port mappings for manual access
Log all API calls for debugging
Support idempotent operations (re-run safely)

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.