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Network Scanner

Scan networks to discover devices, gather MAC addresses, vendors, and hostnames. Includes safety checks to prevent accidental scanning of public networks.

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Scan networks to discover devices, gather MAC addresses, vendors, and hostnames. Includes safety checks to prevent accidental scanning of public networks.

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Install for OpenClaw

Quick setup
  1. Download the package from Yavira.
  2. Extract the archive and review SKILL.md first.
  3. Import or place the package into your OpenClaw setup.

Requirements

Target platform
OpenClaw
Install method
Manual import
Extraction
Extract archive
Prerequisites
OpenClaw
Primary doc
SKILL.md

Package facts

Download mode
Yavira redirect
Package format
ZIP package
Source platform
Tencent SkillHub
What's included
SKILL.md, scripts/scan.py

Validation

  • Use the Yavira download entry.
  • Review SKILL.md after the package is downloaded.
  • Confirm the extracted package contains the expected setup assets.

Install with your agent

Agent handoff

Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.

  1. Download the package from Yavira.
  2. Extract it into a folder your agent can access.
  3. Paste one of the prompts below and point your agent at the extracted folder.
New install

I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.

Upgrade existing

I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.

Trust & source

Release facts

Source
Tencent SkillHub
Verification
Indexed source record
Version
1.1.0

Documentation

ClawHub primary doc Primary doc: SKILL.md 9 sections Open source page

Network Scanner

Discover and identify devices on local or remote networks using nmap. Gathers IP addresses, hostnames (via reverse DNS), MAC addresses, and vendor identification. Safety First: Includes built-in protection against accidentally scanning public IP ranges or networks without proper private routing — preventing abuse reports from hosting providers.

Requirements

nmap - Network scanning (apt install nmap or brew install nmap) dig - DNS lookups (usually pre-installed) sudo access recommended for MAC address discovery

Quick Start

# Auto-detect and scan current network python3 scripts/scan.py # Scan a specific CIDR python3 scripts/scan.py 192.168.1.0/24 # Scan with custom DNS server for reverse lookups python3 scripts/scan.py 192.168.1.0/24 --dns 192.168.1.1 # Output as JSON python3 scripts/scan.py --json

Configuration

Configure named networks in ~/.config/network-scanner/networks.json: { "networks": { "home": { "cidr": "192.168.1.0/24", "dns": "192.168.1.1", "description": "Home Network" }, "office": { "cidr": "10.0.0.0/24", "dns": "10.0.0.1", "description": "Office Network" } }, "blocklist": [ { "cidr": "10.99.0.0/24", "reason": "No private route from this host" } ] } Then scan by name: python3 scripts/scan.py home python3 scripts/scan.py office --json

Safety Features

The scanner includes multiple safety checks to prevent accidental abuse: Blocklist — Networks in the blocklist config array are always blocked Public IP check — Scanning public (non-RFC1918) IP ranges is blocked Route verification — For ad-hoc CIDRs, verifies the route uses private gateways Trusted networks (configured in networks.json) skip route verification since you've explicitly approved them. # Blocked - public IP range $ python3 scripts/scan.py 8.8.8.0/24 ❌ BLOCKED: Target 8.8.8.0/24 is a PUBLIC IP range # Blocked - in blocklist $ python3 scripts/scan.py 10.99.0.0/24 ❌ BLOCKED: 10.99.0.0/24 is blocklisted # Allowed - configured trusted network $ python3 scripts/scan.py home ✓ Scanning 192.168.1.0/24...

Commands

# Create example config python3 scripts/scan.py --init-config # List configured networks python3 scripts/scan.py --list # Scan without sudo (may miss MAC addresses) python3 scripts/scan.py home --no-sudo

Output Formats

Markdown (default): ### Home Network *Last scan: 2026-01-28 00:10* | IP | Name | MAC | Vendor | |----|------|-----|--------| | 192.168.1.1 | router.local | AA:BB:CC:DD:EE:FF | Ubiquiti | | 192.168.1.100 | nas.local | 11:22:33:44:55:66 | Synology | *2 devices found* JSON (--json): { "network": "Home Network", "cidr": "192.168.1.0/24", "devices": [ { "ip": "192.168.1.1", "hostname": "router.local", "mac": "AA:BB:CC:DD:EE:FF", "vendor": "Ubiquiti" } ], "scanned_at": "2026-01-28T00:10:00", "device_count": 2 }

Use Cases

Device inventory: Keep track of all devices on your network Security audits: Identify unknown devices Documentation: Generate network maps for documentation Automation: Integrate with home automation to detect device presence

Tips

Use sudo for accurate MAC address detection (nmap needs privileges for ARP) Configure your local DNS server for better hostname resolution Add configured networks to skip route verification on every scan Add networks you can't reach privately to the blocklist to prevent accidents Extend MAC_VENDORS in the script for better device identification

Category context

Messaging, meetings, inboxes, CRM, and teammate communication surfaces.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package
1 Docs1 Scripts
  • SKILL.md Primary doc
  • scripts/scan.py Scripts