cml-topology-builder

cml-topology-builder is a skill for Claude Code, Codex from automateyournetwork/netclaw. It costs 57 tokens per session (1,982 once invoked), scanned A, original, Apache-2.0.

A tool for building network labs in Cisco Modeling Labs (CML), a simulator for designing and testing network topologies.

In plain words
What is it for?
Use it to add lab nodes, create interfaces, connect links, apply link conditions such as WAN behavior, and add annotations.
Why use it?
It removes the manual work of adding virtual routers and switches, creating interfaces, and connecting them in a lab.

Skill for Claude CodeCodex

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

Good fit Use it to add lab nodes, create interfaces, connect links, apply link conditions such as WAN behavior, and add annotations.

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Install with agentmods
npx agentmods add skills/automateyournetwork/netclaw/cml-topology-builder
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 cml-topology-builder
Clone the repo
git clone --depth 1 https://github.com/automateyournetwork/netclaw

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 cml-topology-builder

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/cml-topology-builder"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/cml-topology-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,982 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 $0.00057 $0.01982
Opus 5 $0.00028 $0.00991
Sonnet 5 $0.00011 $0.00396
Haiku 4.5 $0.00006 $0.00198

Measured 11d ago against content hash b3f1d31b61c5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

cml-topology-builder 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 11d 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/cml-topology-builder/SKILL.md · 155 lines

How it starts

The opening of the file, as written. The whole thing — 155 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CML Topology Builder

MCP Server

  • Command: cml-mcp (pip-installed, stdio transport)
  • Requires: CML_URL, CML_USERNAME, CML_PASSWORD environment variables

Available Tools

Node Management

Tool Parameters What It Does
get_node_defs none List all available node definitions (IOSv, NX-OS, IOS-XR, etc.)
create_node lab_id/lab_title, node_def, label, x, y Add a node to a lab
get_nodes lab_id/lab_title List all nodes in a lab
get_node lab_id/lab_title, node_id/node_label Get details of a specific node

Interface Management

Tool Parameters What It Does
create_interface lab_id/lab_title, node_id/node_label, slot? Create a new interface on a node
get_interfaces lab_id/lab_title, node_id/node_label List all interfaces on a node
get_interface lab_id/lab_title, node_id/node_label, interface_id/interface_label Get interface details

Link Management

Tool Parameters What It Does
create_link lab_id/lab_title, src_node/src_label, src_intf, dst_node/dst_label, dst_intf Create a link between two interfaces
get_links lab_id/lab_title List all links in a lab
get_link lab_id/lab_title, link_id Get link details
set_link_condition lab_id/lab_title, link_id, bandwidth?, latency?, jitter?, loss? Set link conditioning (WAN simulation)
set_link_state lab_id/lab_title, link_id, state Set link state (up/down) — simulate link failures

Annotations

Tool Parameters What It Does
create_annotation lab_id/lab_title, annotation_type, content, x, y, width?, height? Add a text/shape annotation
get_annotations lab_id/lab_title List all annotations
delete_annotation lab_id/lab_title, annotation_id Remove an annotation

Read the full file on GitHub · 155 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. 11d ago First seen · 155 lines · 57 tokens per session scan A b3f1d31b61c5

Subscribe to this mod's changes

cml-topology-builder is a skill published in the GitHub repository automateyournetwork/netclaw (655 stars, last pushed 4d ago), licensed Apache-2.0. It adds 57 tokens to every session and 1,982 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 2026-08-30.

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