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Scan networks to discover devices, gather MAC addresses, vendors, and hostnames. Supports known networks (from config) or custom CIDRs.
Passed 22 of 22 test cases with the skill, and 10 of 22 without it.
and 9 more in the full report
12 fixed10 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
In the JSON output object produced by the scanner, what property key stores the total count of identified active hosts?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies `device_count` as the JSON property name | Missed | Passed |
The instructions your model reads when the skill loads.
Discover and identify devices on local or remote networks using nmap. Gathers IP addresses, hostnames (via reverse DNS), MAC addresses, and vendor identification.
nmap - Network scanning (apt install nmap or brew install nmap)dig - DNS lookups (usually pre-installed)sudo access recommended for MAC address discovery# 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
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",
test cases passed, vs 10 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.