Add README.md with usage examples and installation guide

README.md

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+# Minecraft Monitor Skill
+
+Monitor Minecraft server status with basic checks — online/offline, player counts, server version, latency, and MOTD.
+
+## Features
+
+- ✅ Server online/offline status
+- ✅ Player count (current/maximum)
+- ✅ Online player list
+- ✅ Server response latency
+- ✅ Minecraft version info
+- ✅ Server MOTD (message of the day)
+- ✅ No external dependencies required
+
+## Installation
+
+Clone or download this skill to your OpenClaw workspace:
+
+```bash
+cd ~/.openclaw/workspace/skills/public
+git clone http://git.theta42.com/nova/minecraft-monitor-skill.git minecraft-monitor
+```
+
+## Usage
+
+Check the status of a Minecraft server:
+
+```bash
+python3 ~/.openclaw/workspace/skills/public/minecraft-monitor/scripts/minecraft-status.py <host[:port]> [timeout]
+```
+
+### Examples
+
+```bash
+# Check default port (25565)
+python3 ~/.openclaw/workspace/skills/public/minecraft-monitor/scripts/minecraft-status.py corejourney.org
+
+# Check custom port
+python3 ~/.openclaw/workspace/skills/public/minecraft-monitor/scripts/minecraft-status.py mc.example.com:25566
+
+# Check IP address with custom timeout
+python3 ~/.openclaw/workspace/skills/public/minecraft-monitor/scripts/minecraft-status.py 192.168.1.142 10
+```
+
+### Output
+
+**Server online:**
+```
+🟢 corejourney.org:25565 - ONLINE (45ms)
+   Version: Paper 1.21.11
+   Players: 3/64
+   Online: Steve, Alex, CreeperHunter
+   MOTD: Welcome to Core Journey!
+```
+
+**Server offline:**
+```
+🔴 corejourney.org:25565 - OFFLINE
+   Error: Connection timed out
+```
+
+## How It Works
+
+Uses the Minecraft Server List Ping (SLP) protocol — no plugins or RCON access required. The script:
+1. Opens a TCP connection to the server
+2. Sends a handshake packet with protocol version 765 (1.19.3+)
+3. Sends a status request
+4. Parses the JSON response with server info
+
+## Integration Ideas
+
+- **Cron monitoring**: Run periodically and alert if server goes offline
+- **Dashboard**: Display server status on a monitoring panel
+- **Health checks**: Verify server availability before automated backups
+- **Player notifications**: Track when players join/leave
+
+## Notes
+
+- Default port: `25565`
+- Default timeout: `5` seconds
+- Exit code: `0` if online, `1` if offline (useful for scripting)
+- Some servers require the correct hostname in the handshake (not just IP address)
+
+## License
+
+MIT
+
+## Author
+
+Created for OpenClaw - AgentSkills ecosystem
+
+## Repository
+
+http://git.theta42.com/nova/minecraft-monitor-skill