# nmapdiff

> nmapdiff — cognis-digital-nmapdiff. Use this tool when you need to compare two network scans to identify new hosts, open ports, or active services. It solves problems related to network monitoring and security by highlighting changes between scans, helping you detect potential vulnerabilities. The tool takes two scan outputs as input and produces a diff report as output, making it ideal for tracking network changes over time.

Canonical page: https://skillsregistry.net/skills/cognis-digital-nmapdiff  
JSON: https://api.skillsregistry.net/v1/skills/cognis-digital-nmapdiff

## Description

Diff two scans to surface new hosts/ports/services

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-21

## Source

- **Source listing:** [GitHub](https://github.com/cognis-digital/nmapdiff)

## 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": "cognis-digital-nmapdiff"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/cognis-digital-nmapdiff` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/cognis-digital-nmapdiff/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