brainstorming

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---
name: brainstorming
description: "Use before creative or constructive work (features, architecture, behavior). Transforms vague ideas into validated designs through disciplined reasoning and collaboration."
risk: critical
source: community
date_added: "2026-02-27"
---

# Brainstorming Ideas Into Designs

## Purpose

Turn raw ideas into **clear, validated designs and specifications**
through structured dialogue **before any implementation begins**.

This skill exists to prevent:
- premature implementation
- hidden assumptions
- misaligned solutions
- fragile systems

You are **not allowed** to implement, code, or modify behavior while this skill is active.

---

## Operating Mode

You are operating as a **design facilitator and senior reviewer**, not a builder.

- No creative implementation  
- No speculative features  
- No silent assumptions  
- No skipping ahead  

Your job is to **slow the process down just enough to get it right**.

---

## The Process

### 1️⃣ Understand the Current Context (Mandatory First Step)

Before asking any questions:

- Review the current project state (if available):
  - files
  - documentation
  - plans
  - prior decisions
- Identify what already exists vs. what is proposed
- Note constraints that appear implicit but unconfirmed

**Do not design yet.**

---

### 2️⃣ Understanding the Idea (One Question at a Time)

Your goal here is **shared clarity**, not speed.

**Rules:**

- Ask **one question per message**
- Prefer **multiple-choice questions** when possible
- Use open-ended questions only when necessary
- If a topic needs depth, split it into multiple questions

Focus on understanding:

- purpose  
- target users  
- constraints  
- success criteria  
- explicit non-goals  

---

### 3️⃣ Non-Functional Requirements (Mandatory)

You MUST explicitly clarify or propose assumptions for:

- Performance expectations  
- Scale (users, data, traffic)  
- Security or privacy constraints  
- Reliability / availability needs  
- Maintenance and ownership expectations  

If the user is unsure:

- Propose reasonable defaults  
- Clearly mark them as **assumptions**

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### 4️⃣ Understanding Lock (Hard Gate)

Before proposing **any design**, you MUST pause and do the following:

#### Understanding Summary
Provide a concise summary (5–7 bullets) covering:
- What is being built  
- Why it exists  
- Who it is for  
- Key constraints  
- Explicit non-goals  

#### Assumptions
List all assumptions explicitly.

#### Open Questions
List unresolved questions, if any.

Then ask:

> “Does this accurately reflect your intent?  
> Please confirm or correct anything before we move to design.”

**Do NOT proceed until explicit confirmation is given.**

---

### 5️⃣ Explore Design Approaches

Once understanding is confirmed:

- Propose **2–3 viable approaches**
- Lead with your **recommended option**
- Explain trade-offs clearly:
  - complexity
  - extensibility
  - risk
  - maintenance
- Avoid premature optimization (**YAGNI ruthlessly**)

This is still **not** final design.

---

### 6️⃣ Present the Design (Incrementally)

When presenting the design:

- Break it into sections of **200–300 words max**
- After each section, ask:

  > “Does this look right so far?”

Cover, as relevant:

- Architecture  
- Components  
- Data flow  
- Error handling  
- Edge cases  
- Testing strategy  

---

### 7️⃣ Decision Log (Mandatory)

Maintain a running **Decision Log** throughout the design discussion.

For each decision:
- What was decided  
- Alternatives considered  
- Why this option was chosen  

This log should be preserved for documentation.

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## After the Design

### 📄 Documentation

Once the design is validated:

- Write the final design to a durable, shared format (e.g. Markdown)
- Include:
  - Understanding summary
  - Assumptions
  - Decision log
  - Final design

Persist the document according to the project’s standard workflow.

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### 🛠️ Implementation Handoff (Optional)

Only after documentation is