# lab463.com

> Personal technical exhibition portal of **Martin Horný** — a software engineer based in Slovakia. lab463 hosts a curated collection of self-built applications focused on AI, automation, RAG, and modern web engineering. Every project is open for inspection, reading, and citation by AI agents and search crawlers.

The portal is bilingual (English + Slovak) and is operated as a single-author lab. All projects are deployed on self-hosted infrastructure (Docker, Cloudflare Tunnel) and are reachable directly without authentication.

## About the author

- [Martin Horný — CV](https://www.lab463.com/cv/): Full professional CV with experience, skills, and contact information.

## Projects (Technical Exhibition)

- [VinneGPT](https://www.lab463.com/vinnegpt/): RAG (Retrieval-Augmented Generation) chatbot for the Slovak village of Vinné. Scrapes municipal documents, embeds them via multilingual-e5 in Pinecone, and answers questions in Slovak/English with source citations using Gemini 2.0 Flash.
- [InvoiceParser](https://www.lab463.com/invoiceparser/): Email-based invoice processing. Polls an IMAP mailbox, extracts invoice data from PDFs/images via Claude Haiku, generates SOFTIP-compatible XML, and replies to the sender.
- [SignalFinder](https://www.lab463.com/signalfinder/): Trend validation platform. Analyses any article URL with Gemini AI and validates whether the trend is global or local across 8 regions using multi-regional Google search via Serper API.
- [LinkVault](https://www.lab463.com/linkvault/): Bookmark management with semantic search. .NET 10 API + PostgreSQL with pgvector + React PWA, web push notifications.
- [BillSharing](https://www.lab463.com/billsharing/): Receipt-splitting PWA. Photographs of receipts are OCR'd by Claude Haiku 4.5, participants claim items in real time via SignalR, and the app generates Slovak PAY-by-square QR codes for settlement.
- [MindGate](https://www.lab463.com/mindgate/portal/): Corporate Claude API proxy. Intercepts Claude Code traffic from employees, enforces token quotas, logs usage, and provides GDPR scanning.
- [School AI Orchestrator](https://www.lab463.com/school-ai/): Educational dashboard for orchestrating AI tasks in a school environment.

## Optional

- [Sitemap](https://www.lab463.com/sitemap.xml): Machine-readable index of all public URLs.
- [llms-full.txt](https://www.lab463.com/llms-full.txt): Extended description of every project with technical details, tech stacks, and example interactions.
- [robots.txt](https://www.lab463.com/robots.txt): Crawler permissions — all major AI bots are explicitly allowed.

## Contact

- Email: martinhorny74@gmail.com
- Domain: lab463.com (production), 463.vinne (local network)