Brainstorming vs Caveman
For the Validate phase, Brainstorming leads Caveman on adoption - 299k vs 259k installs. Both are skills; pick by fit, not just rank - the full side-by-side is below.
A side-by-side comparison of two skill options for the Validate phase - adoption, what each is for, and how to install them.
Ranked by Skillselion · adoption from the skills.sh registry & GitHub.
Brainstorming vs Caveman
| Brainstorming | Caveman | |
|---|---|---|
| GitHub stars | 262k | 1.1k |
| Installs | 299k | 259k |
| Adoption rank (this phase) | #4 | #8 |
| Built for | Claude Code | Claude Code |
| What it is | Turn vague product ideas into clear, approved designs and specifications through guided collaborative dialogue before writing any code. | Compress SPEC.md files and any spec-adjacent prose into a token-efficient format that preserves precision while slashing context usage. |
| Install | npx skills add https://github.com/obra/superpowers --skill brainstorming | npx skills add https://github.com/juliusbrussee/blueprint --skill caveman |
Common questions
Brainstorming vs Caveman: which is better for validate?
Brainstorming ranks higher by adoption (299k vs 259k installs), but both are skills for the Validate phase - choose by fit.
How do I install Brainstorming?
Run: npx skills add https://github.com/obra/superpowers --skill brainstorming
How do I install Caveman?
Run: npx skills add https://github.com/juliusbrussee/blueprint --skill caveman
More for the Validate phase
See the full ranked shortlist of best skill options for validate, browse every Skills, or open the Validate phase hub.