Comparison
Summer vs Caveman
Caveman has more GitHub stars (112,880 vs 76). Caveman was updated more recently (last commit 1d ago). Data comes straight from GitHub and refreshes daily.
Summer
The game engine built for AI. MCP server, CLI and skills that let any agent build, test and publish full games with Summer Engine.
$
/plugin install summer --marketplace summerengine/summerCaveman
Why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.
$
/plugin marketplace add JuliusBrussee/caveman| Metric | Summer | Caveman |
|---|---|---|
| Type | Agent skill | Agent skill |
| GitHub stars | 76 | 112,880 |
| Stars, last 7 days | n/a | +481 |
| Forks | 6 | 6,531 |
| Upvotes | 0 | 0 |
| Language | TypeScript | Go |
| License | MIT | Apache-2.0 |
| Last commit | 1d ago | 1d ago |
| Created | Feb 2026 | Apr 2026 |
| Categories | AI & LLM tooling, Dev tools, Memory & knowledge | AI & LLM tooling |