A self-running space economy SIM in Rust and Bevy

This is a hobby simulation project, not a tool — but it earns a look for a specific reason: it is one of the more honest public demos of AI-assisted Rust development at a scale where the complexity is real. Several hundred autonomous agents each running their own planner, with emergent trade routes, contracts, and logistics, is not a tutorial project. The author built it with Claude, and the codebase is the artifact worth studying if you are curious what AI-assisted systems programming produces when the domain is non-trivial. Rust and Bevy are not forgiving frameworks to get wrong, which makes the result more credible than the average vibe-coded side project. The reservation is obvious: this is not something you deploy or integrate. It is a read, a reference, and maybe a weekend rabbit hole. If you are evaluating how far AI coding assistants have come with complex Rust, this is a data point. -> Best for: indie hacker or AI engineer curious about the ceiling of AI-assisted systems programming