Karlo Vrancic

Building

Companies, products, hackathon projects and client work.

  1. Hydra

    A company that builds companies out of AI agents. Some of them even make money.

  2. Splitko

    One agent wired to every public data feed in Split, reachable by web, WhatsApp and phone. Won the SheepAI Hackathon, Croatia's largest AI hackathon.

  3. VideoForge

    Node-based AI video editor that keeps characters and objects consistent across shots. First at MIT AI Ventures Demo Day.

  4. Spine

    Maps who talks to whom from a company's email and answers questions about it. First at Hack-Nation, OpenAI track.

  5. DeFacto Protocol

    Prediction markets on whether news is true, with quadratic voting, on Algorand.

  6. Algorithmic trading bot

    News and social sentiment, ML price prediction, risk management and backtesting.

  7. Cost-constrained epidemic containment

    Minimum-cost edge removal to keep SIS prevalence under a threshold, with GraphSAGE edge costs on Facebook100 networks. Harvard STAT 175.

  8. prime-intellect-mcp

    MCP server that lets Claude Code rent, use and shut down GPU pods under hard spend caps.

  9. The Grandmaster's Path

    Difficulty metrics and Elo ratings for the Wikispeedia game. EPFL Hall of Fame.

  10. TarAIntino

    MLOps course project, Harvard AC215. A RAG taste quiz, a screenplay model and Veo chained into a personalized trailer generator.

  11. Persona MCP

    MCP server that answers as a public figure, grounded in their own interviews and articles.

  12. Zeitgeist Studio

    Three agents turn a trend and a company profile into a full marketing campaign.

  13. Interview Analyzer

    Six agents turn an interview recording into a study guide with model answers.

  14. Fraud detection for science, at CERN

    Two-stage ML pipeline that flagged 260,000+ fake publications on Zenodo at 93.8% precision.

  15. SENTINEL

    First-person counter-drone demo that runs in the browser at 60 fps. Client work.

  16. AquaExport

    Exports a water utility's quality and flow readings from PostgreSQL to Excel reports. Client work.

  17. Nomad

    Website for a barbershop. Client work.

  18. Sportinjo

    Map of amateur sports events in Zagreb. Won the City of Zagreb's HACKL hackathon.

  19. Sportscape

    Social network and court booking for amateur athletes. Rector's Award.

  20. MedBay

    Patient scheduling and treatment tracking for a rehabilitation clinic. Rector's Award.