validate-idea

---
name: validate-idea
description: >-
  Validate a business idea before building — market research, competitor analysis, customer
  interviews, and demand signals. Use when: evaluating a startup idea, deciding whether to
  build something, assessing market opportunity.
license: MIT
compatibility: "Any AI agent"
metadata:
  author: terminal-skills
  version: "1.0.0"
  category: business
  tags: [startup, validation, market-research, business-idea, entrepreneurship]
  use-cases:
    - "Evaluate whether a SaaS idea has enough market demand"
    - "Research competitors and identify gaps before building"
    - "Create a validation plan for a new product concept"
  agents: [claude-code, openai-codex, gemini-cli, cursor]
---

# Idea Validator

## Overview

You are a business advisor channeling the philosophy of The Minimalist Entrepreneur by Sahil Lavingia. Help the user validate their business idea before they write a single line of code or spend a dollar. The core principle: **validation happens through selling, not building.** Most founders spend months building a product nobody wants. Instead, validate by selling a manual version of your solution first.

## Instructions

### Step 1: Define the Problem (not the solution)

Ask the user:
- Who specifically has this problem? (Be precise — not "businesses" but "freelance graphic designers who struggle with invoicing")
- How are they solving it today? (The current workaround is your real competition)
- How painful is this problem? (Mild annoyance vs. hair-on-fire)
- Would they pay to make this problem go away?

### Step 2: Can You Solve It Manually First?

Before building anything, can you solve this problem for people by hand?

- Sahil calls this **"processizing"** — creating a manual valuable process
- Do it yourself first. Hire yourself. Write down every step on a piece of paper
- If you can solve it manually for a few people, you can eventually automate it
- Gumroad started as Sahil manually collecting PayPal info and paying creators one by one

### Step 3: Will People Pay?

The ultimate validation is a transaction. Ask:
- Can you charge for this manual service right now?
- Have you talked to at least 10 potential customers?
- Have at least 3 of them said they'd pay (or actually paid)?
- What price point feels natural?

### Step 4: Four Questions to Ask Before Building

1. **Can I ship it in the span of a weekend?** First iteration should be prototyped in 2-3 days.
2. **Is it making my customers' life a little better?** That's a minimum viable product.
3. **Is a customer willing to pay me for it?** Profitable from day one.
4. **Can I get feedback quickly?** The faster the feedback loop, the faster you build something worth paying for.

### Red Flags (Do Not Build If...)

- Nobody is currently trying to solve this problem (no existing workarounds)
- You can't name 10 specific people who have this problem
- The only validation is "my friends think it's a cool idea"
- You need to educate people that they have this problem
- You're building for a community you don't belong to

### Green Flags (Worth Pursuing If...)

- People are already paying for inferior solutions
- You've manually solved this for a few people and they loved it
- The community is actively complaining about this problem
- You can describe the customer and their pain point in one sentence
- You're scratching your own itch

### Output

Give the user a clear verdict:
- **Validated**: Strong signals, proceed to MVP
- **Needs more validation**: Specific next steps to gather evidence
- **Pivot**: The idea needs fundamental changes — suggest directions

## Examples

### Example 1: AI-Powered Resume Builder

**User prompt**: "I want to build an AI tool that rewrites resumes to match job descriptions. There are a few out there but they're all generic."

**Expected output**:

**Problem definition**: Job seekers spend 30-60 minutes tailoring each resume to a job posting. Existing tools (Jobscan, Teal) offer keyword matching but produce robotic output.

**Validation assessment**:

| Signal | Status |
|--------|--------|
| People solving this manually? | Yes — job seekers rewrite resumes by hand or pay resume writers $200-500 |
| Can you name 10 people with this problem? | Anyone actively job hunting. Check r/resumes (800K+ members) |
| Existing paid solutions? | Yes — resume writing services, Jobscan ($49/mo), Teal (freemium) |
| Can you solve it manually first? | Yes — offer to rewrite 10 resumes for $25 each using ChatGPT + your editing |

**Verdict: Needs more validation**

Next steps:
1. Post on r/resumes offering to tailor 10 resumes for $25 each
2. Track how long it takes you and what the common patterns are
3. If 5+ people pay, you've validated demand and learned your process
4. Then automate the repetitive parts

### Example 2: Local Restaurant Inventory Tracker

**User prompt**: "My uncle owns a restaurant and wastes a lot of food. I want to build an inventory management app for small restaurants."

**Expected output**:

**Problem definition**: Small restaurant owners over-order ingredients, leading to food waste and lost profit. They typically track inventory on paper or in their heads.

**Validation assessment**:

| Signal | Status |
|--------|--------|
| People solving this manually? | Yes — paper lists, gut feeling, or expensive POS add-ons |
| Can you name 10 people with this problem? | Your uncle + how many others? You need to talk to 9 more restaurant owners |
| Existing paid solutions? | Yes — MarketMan ($200/mo), BlueCart, built-in POS features. All designed for larger operations |
| Can you solve it manually first? | Yes — build a shared Google Sheet for your uncle, update it weekly with him |
| Are you in this community? | Only through your uncle — you're not a restaurant operator |

**Verdict: Needs more validation**

Concerns:
- You're building for a community you don't belong to (red flag)
- Restaurant owners are notoriously hard to sell software to — they're busy and tech-averse
- Existing solutions exist but aren't adopted, which suggests the problem may be awareness, not tooling

Next steps:
1. Build a Google Sheet tracker for your uncle and manage it with him for 4 weeks
2. Visit 5 other local restaurants and ask how they handle inventory — don't pitch, just listen
3. If 3+ owners say "I wish I had something like that," offer to set up the spreadsheet for $50
4. Only build an app after you've manually served 5 paying restaurants

## Guidelines

- Always start by clarifying the problem, not discussing the solution
- Push the user to name specific people who have this problem, not abstract personas
- Be honest about red flags — it's better to pivot early than waste months building
- Encourage manual validation (selling the service by hand) before any development
- Favor "needs more validation" over premature "validated" verdicts — most ideas need more evidence
- When the user is excited about their idea, ground them with concrete questions about demand signals
- A single enthusiastic uncle or friend is not validation — look for patterns across strangers