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device-discovery

Discover IoT devices on the local network using nmap and arp-scan.

Skill by dexter

IndexedApache-2.0★ 1
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/emiliougarte65-device-discovery

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About

Discover IoT devices on the local network using nmap and arp-scan. Identifies Home Assistant, MQTT brokers, Philips Hue bridges, Zigbee2MQTT, and other smart home devices by IP, MAC, and open ports. Trigger: "qué dispositivos tengo", "descubrir dispositivos", "escanear red", "device discovery", "what devices are on my network", "find iot devices", "network scan", "IoT scan".

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found
Runs as
Shell scripts

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/device-discovery

Tools it pre-approves 1

From allowed-tools in SKILL.md: the agent may use these without asking you each time.

  • Bash

What's inside

Skill name
device-discovery
Description
Discover IoT devices on the local network using nmap and arp-scan. Identifies Home Assistant, MQTT brokers, Philips Hue bridges, Zigbee2MQTT, and other smart home devices by IP, MAC, and open ports. Trigger: "qué dispositivos tengo", "descubrir dispositivos", "escanear red", "device discovery", "what devices are on my network", "find iot devices", "network scan", "IoT scan".
License
Apache-2.0
Allowed tools
Bash
Metadata
author: dexter · source: dexter · audited: true · version: 1.0
Instructions
71 lines in SKILL.md · view on GitHub

Before installing

  • Ships executable scripts
  • Pre-approves any shell command

Files (2)

  • SKILL.md
  • discover.sh · scripts/

SKILL.md (first lines)

# Device Discovery

Scans the local network to find IoT devices and identify their services.

## Requirements

```bash
# Ubuntu/Debian
sudo apt install nmap arp-scan

# macOS
brew install nmap arp-scan

# Arch
sudo pacman -S nmap arp-scan
```

## Usage

```bash
# Auto-detect local subnet and scan
bash skills/domotics/device-discovery/scripts/discover.sh

# Scan a specific subnet
bash skills/domotics/device-discovery/scripts/discover.sh 192.168.1.0/24

# Full scan (slower, more detailed)
bash skills/domotics/device-discovery/scripts/discover.sh --full
```

## Example Output

```
=== Dexter Device Discovery ===
Subnet: 192.168.1.0/24

Scanning with arp-scan...
192.168.1.1    dc:a6:32:xx:xx:xx   Raspberry Pi Foundation
192.168.1.10   00:17:88:xx:xx:xx   Philips Lighting BV
192.168.1.20   b8:27:eb:xx:xx:xx   Raspberry Pi Foundation
192.168.1.30   cc:50:e3:xx:xx:xx   Espressif Inc (ESP32/Tuya)

Scanning IoT ports...
192.168.1.1  :8123  ✓  Home Assistant
192.168.1.1  :1883  ✓  MQTT Broker
192.168.1.10 :80    ✓  Philips Hue Bridge
192.168.1.20 :8080  ✓  Zigbee2MQTT

=== Summary ===
Found 4 devices, 4 IoT services identified.
```

## Known IoT Ports

| Port | Service | Device |
|------|---------|--------|
| 1883 | MQTT | Broker (unencrypted) |
| 8883 | MQTT/TLS | Broker (encrypted) |
| 8123 | HTTP | Home Assistant |
| 8080 | HTTP | Zigbee2MQTT |
| 80/443 | HTTP/HTTPS | Philips Hue Bridge |
| 5683 | CoAP | IoT sensors |
| 4343 | HTTPS | Philips Hue alt |

## Safety

- Only scans local subnets (192.168.x.x, 10.x.x.x, 172.16-31.x.x) by default
- Non-local ranges require explicit `--force` flag and user confirmation
- Does NOT send any data externally — purely local network scan

From EmilioUgarte65/Dexter, Apache-2.0.

More from EmilioUgarte65/Dexter

Signals

Stars
1
Forks
0
Open issues
0
Last commit (this folder)
Mar 25, 2026 (7 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Version
1.0
License
Apache-2.0
Repository
github.com/EmilioUgarte65/Dexter
Website
emiliougarte65.github.io/portafolio-web/proyectos/dexter/
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

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device-discovery skill. Agent Mart. https://agentmart.dev/skills/emiliougarte65-device-discovery (last updated 2026-10-24)