KobraOS
KobraOS
Smarter Control · Better Prints · More Possibilities
An AI-powered companion system for the Anycubic Kobra X — no cloud, no subscriptions, no limits. Everything runs locally on an ESP32-S3.
Actively in development
ESP32-S3 · ESP-IDF · C++
PlatformIO · Local MQTT · No Cloud
✓ Already working
✓
Wi-Fi setup via KobraOS-Setup AP (WPA2)
✓
3-step setup wizard with live MQTT mini-dashboard
✓
Auto-discovery of printer LAN credentials — no cloud
✓
Encrypted local MQTT connection (mutual TLS)
✓
MQTT reconnect with progressive backoff
✓
Real-time temps, layers, progress, ETA, fan & light
✓
Live dashboard at /dashboard with quick controls
✓
Pause / Resume / Stop print from local web UI
✓
REST API: /status · /health · /meta · /reset
✓
Diagnostics JSON export for troubleshooting
✓
All credentials stored securely in NVS on-device
→ In progress
→
Touch screen with real-time printer status
→
External I2S microphone (away from fan noise)
→
Speaker for AI voice responses
→
AI integration for natural language queries
→
Camera for visual failure detection
→
Home Assistant integration
→
Broader dashboard UI beyond setup portal
★ The end goal
★
"How's the print?" — voice reply with live data
★
Auto-alert: spaghetti, detachment, bad first layer
★
Print history and learning from past failures
★
Home Assistant / Alexa notifications
★
Suggested fixes after a failed print
★
100% local · private · no subscriptions ever
★
Free and open source for the Kobra X community

If you find this project useful, any support helps keep it moving forward.

☕ Support on Ko-fi
Open source · Anycubic Kobra X · Ricardo Da Costa · 2026
No cloud
Local LAN
MQTT · TLS
Open source
Protocol findings from KX-Bridge by thysson2701 · Thanks to the Kobra X community