Turn your product idea into a grounded design.
What it does
Guides founders and builders through problem discovery and design choices to produce a design document rather than implementation code.
When to use it
Use when brainstorming a new product, deciding whether an idea is worth building, or exploring design decisions before writing code.
How to use it
Give it a product idea in the project; it works through questions and approach choices with you, then saves a design document outside the repository.
What you provide
- An existing project
Uses
Good to know
- starts 1 helper agents
- cannot be undone: design
- acts without asking
- edits its own instructions
- may override your rules
What you need · 4
The conditional third-party-site driving workflow requires reading and following /browse before its first drive; ordinary brainstorming does not invoke that workflow.
The Codex CLI enables the optional independent second opinion; failures can fall back to an in-host subagent.
Access · 7
This skill
design
Generates paid visual mockups (irreversible)
Codex
Sends session context to Codex