What do I need to use Business-Idea Validator?

The idea; The customer; Your evidence; Your stake; Your goal.

Is Business-Idea Validator free to use?

Yes — run it free in the browser playground (no API key needed for the sponsored trial, or bring any provider key), or install it into Claude Code, Cursor, ChatGPT and more via npx pm-claude-skills. MIT-licensed and open source.

Business-Idea Validator

Q: How do I know the Business-Idea Validator output is good?

The skill verifies itself against its own quality checks: Surfaces the idea's hidden assumptions; Interrogates whether the customer and pain are real/payable; Prescribes cheap experiments before building; Includes a rough viability read (market, competition, economics).

🔵 Stable🕐 updated 2026-08-05 🔷 SkillSpec L3 pm-freelance

Pressure-test a business or side-hustle idea before you sink money and months into it — find the real demand, the risky assumptions, and the cheapest way to test them. Use when asked to validate my business idea, is this a good business idea, test my side hustle, or should I start this. Produces a read on the core assumptions the idea depends on, who the customer really is and whether the pain is real, the cheapest experiments to test demand before building, a rough viability check (market, competition, economics), and a go/refine/rethink call — honest, not a cheerleader.

▶ Run it free — no key needed 📝 Grade your existing draft View SKILL.md ↗

🗣 Say this to your agent

“Is this a good business idea? Help me validate it.”“I want to start a side hustle doing X — is there demand?”“How do I test my business idea cheaply before committing?”“Pressure-test my startup idea honestly.”“Should I actually start this, or am I kidding myself?”

What to give it

▸The idea — what it is, who it's for, and the problem it solves

▸The customer — who you think will pay, and why

▸Your evidence — any real signal so far (interest, sales, competitors)

▸Your stake — time/money you'd commit, and your risk tolerance

▸Your goal — a side hustle, a real business, or just testing the water

✅ The bar it holds itself to

Every skill in this library self-verifies — these are this skill's own quality checks, straight from its definition.

✓Surfaces the idea's hidden assumptions

✓Interrogates whether the customer and pain are real/payable

✓Prescribes cheap experiments before building

✓Includes a rough viability read (market, competition, economics)

✓Identifies the riskiest assumption to test first

✓Gives an honest go/refine/rethink call, not cheerleading

⚠️ What it refuses to do

**Cheerleading** the idea instead of stress-testing it.

**Jumping to build** before testing demand.

**Vague "big market"** with no real customer/pain.

**Testing the easy assumptions** and ignoring the killer one.

**Confusing personal excitement** with market demand.

Install

npx pm-claude-skills add --agent claude   # or codex · cursor · gemini · hermes
# or one-line MCP (every skill, any client):
claude mcp add pm-skills -- npx -y pm-claude-skills-mcp

Related skills

🔌 Embed this skill

Drop this on your blog, docs, or site — it renders a "Run this skill" card:

<div data-pm-skill="business-idea-validator"></div>
<script src="https://mohitagw15856.github.io/pm-claude-skills/embed.js" async></script>

💬 Discussion

Business-Idea Validator is one of 1078 open-source professional AI agent skills — all SkillSpec L3. Try them all in the browser · ⭐ Star on GitHub · Browse the full catalog