I built an open source procedural sound generation library called chirrp that I've been using for my own games https://crates.io/crates/chirrp
It has an mcp server and a couple of skills that I've tested with my own games with great results, so I'll probably be using it for this jam as well.
Code: Antigravity
Music: Lyria
Engine: Bevy
Art: Likely Kenney assets, depends on the theme, might use trellis to create additional assets if required.