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brainstorm-ideas-existing — Claude Code skill: product ideas from PM

Skill to brainstorm product ideas for an existing product from PM, Designer, and Engineer perspectives. Use it to generate features, solve identified opportunities, or ideate with your product trio.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add phuryn/pm-skills --skill brainstorm-ideas-existing -a claude-code
Open on GitHub

What brainstorm-ideas-existing does

The skill runs a structured product discovery workflow. You describe the opportunity, target segment, and desired outcomes — the skill generates five ideas from each perspective: PM focuses on strategy and business value, Designer on user experience and delight, Engineer on technical possibilities and scalability. It then selects the top five ideas based on strategic alignment, impact on outcomes, and feasibility.

For each prioritized idea, the skill delivers a name, one-sentence description, reasoning for selection, and key assumptions to validate. If you have research files or an Opportunity Solution Tree in your workspace, the skill reads them. If you share a product URL, it can research its characteristics.

The skill applies Teresa Torres's Continuous Discovery Habits methodology and the Product Trio model — the approach where Designer, PM, and Engineer discover opportunities together.

What it helps with

  • generate features for an existing product
  • run ideation from multiple professional perspectives
  • prioritize ideas by strategy and feasibility
  • structure product discovery for a product trio
  • map opportunities to solutions via Opportunity Solution Tree

Example prompts for the agent

  • Brainstorm feature ideas for our expense-tracking app, targeting freelancers, we want to save time on category labeling
  • Generate ideas to improve draft saving in our editor so we don't lose work on crashes
  • Ideate API expansion features for enterprise customers who integrate us into their ERP system

How to install brainstorm-ideas-existing

1Skills CLI (Vercel)

npx skills add phuryn/pm-skills --skill brainstorm-ideas-existing -a claude-code

2Manually: put the files in place

~/.claude/skills/brainstorm-ideas-existing/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/brainstorm-ideas-existing/

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Questions about brainstorm-ideas-existing

How do I install brainstorm-ideas-existing in Claude Code?

Run npx skills add phuryn/pm-skills --skill brainstorm-ideas-existing -a claude-code in your terminal, then find the skill at ~/.claude/skills/brainstorm-ideas-existing/SKILL.md.

What does brainstorm-ideas-existing do?

The skill generates product ideas from PM, Designer, and Engineer viewpoints, then ranks the top five by strategic alignment, impact, and feasibility. It's built for continuous product discovery with a product trio.

What files and data can the skill use?

The skill can read research files, Opportunity Solution Trees, and other documents from your workspace if you attach them. If you share a product URL, the skill will research its structure and use cases.

Source text

SKILL.md · MIT 
---
name: brainstorm-ideas-existing
description: "Brainstorm product ideas for an existing product using multi-perspective ideation from PM, Designer, and Engineer viewpoints. Use when generating new feature ideas, brainstorming solutions for an identified opportunity, or ideating with a product trio."
---

## Brainstorm Product Ideas (Existing Product)

Multi-perspective ideation for continuous product discovery. Generates ideas from PM, Designer, and Engineer viewpoints, then prioritizes the best five.

### Context

You are supporting a product trio performing continuous product discovery for **$ARGUMENTS**.

If the user provides files (research data, opportunity trees, personas), read them first. If they mention a product URL, use web search to understand the product.

### Domain Context

**Product Trio** (Teresa Torres, *Continuous Discovery Habits*): PM + Designer + Engineer collaborate on discovery together. "Best ideas often come from engineers." Discovery is not linear — loop back if experiments fail. Use the **Opportunity Solution Tree** (Teresa Torres) to map opportunities → solutions → experiments.

### Instructions

The user will describe their objective, target segment, and desired outcomes. Work through these steps:

1. **Understand the opportunity**: Confirm the product, objective, market segment, and desired outcomes. Ask for clarification if anything is ambiguous.

2. **Ideate from three perspectives** — generate 5 ideas each from:
   - **Product Manager**: Focus on business value, strategic alignment, and customer impact
   - **Product Designer**: Focus on user experience, usability, and delight
   - **Software Engineer**: Focus on technical possibilities, data leverage, and scalable solutions

3. **Prioritize the top 5 ideas** across all perspectives based on:
   - Strategic alignment with the stated objective
   - Potential impact on desired outcomes
   - Feasibility and effort required
   - Differentiation from existing solutions

4. **For each prioritized idea**, provide:
   - A clear name and one-sentence description
   - Why it was selected (reasoning)
   - Key assumptions to validate

Think step by step. Present ideas in a clear, structured format.

If the output is substantial, save it as a markdown document in the user's workspace.

---

### Further Reading

- [What Is Product Discovery? The Ultimate Guide Step-by-Step](https://www.productcompass.pm/p/what-exactly-is-product-discovery)
- [Product Trio: Beyond the Obvious](https://www.productcompass.pm/p/product-trio)
- [The Extended Opportunity Solution Tree](https://www.productcompass.pm/p/the-extended-opportunity-solution-tree)
- [Product Model First Principles: Product Discovery, Product Delivery, and Product Culture In Depth](https://www.productcompass.pm/p/product-model-first-principles-discovery-deliver)
- [Continuous Product Discovery Masterclass (CPDM)](https://www.productcompass.pm/p/cpdm) (video course)

© phuryn · MIT · phuryn/pm-skills

See also

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