# Michael Zelbel > Michael Zelbel builds open-source tools for AI, blockchain, and VR. Michael Zelbel makes open-source tools across AI, blockchain, and VR. Projects include Querino (prompt library and orchestration), Menerio (shared AI knowledge graph and MCP server), and self-hosted agent DevOps watchdogs for OpenClaw and Hermes (Nous Research). ## Pages - [Home](/): Overview of Michael Zelbel's open-source AI projects and contact links. ## Optional - [Querino](https://querino.ai/): AI prompt library and orchestration system. - [Menerio](https://menerio.com/): Shared knowledge graph and MCP server for AI tools.