Building in Public: The Architecture of a Solo Rust Project

Building in Public: The Architecture of a Solo Rust Project I'm the creator of Drengr, an MCP server that gives AI agents eyes and hands on mobile devices. I started this blog to share the engineering behind it. No pretending to be a neutral observer writing a think piece — I built this, and I'm here to talk about it. I'm a solo developer building a Rust project, and I want to talk about what that actually looks like. Not the polished "launched on Product Hunt and got 500 stars" version, but the real one — the architecture decisions made at midnight, the bugs that took days, and the strange irony of using AI to build AI tooling. Drengr started as a research question: can I give an AI agent a phone? No venture capital, no team, no timeline pressure. Just curiosity and a problem that felt important enough to spend months on. Building in public means sharing the journey honestly, including the parts that don't look impressive. Why I'm Building This Alone The honest answer is that this pro