# nwtools-mcp

> Use this tool when you need to perform IPv4 subnet calculations, parse CIDR notation, or classify IP addresses. It solves problems related to network configuration, IP address management, and subnet overlap detection, providing accurate results through its interface with Python's ipaddress library. Ideal for use cases involving network architecture, cybersecurity, and IT operations, it takes IP addresses and subnet masks as inputs and outputs detailed information on subnet properties and relationships.

Canonical page: https://skillsregistry.net/skills/crims0n-nwtools-mcp  
JSON: https://api.skillsregistry.net/v1/skills/crims0n-nwtools-mcp

## Description

Provides accurate IPv4 subnet and address tools for LLMs using Python's ipaddress library. Includes CIDR parsing, overlap detection, IP classification, and more.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/otd3zm92di)
- **Repository:** <https://github.com/crims0n/nwtools-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "crims0n-nwtools-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/crims0n-nwtools-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/crims0n-nwtools-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt