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Founder: test your business idea with 11 free Claude skills

A board that reviews your idea, 100 AI buyers, a pricing expert, a CFO and a marketing director. You get a business plan with a verdict: Profitable or Not yet.

CostFree (MIT licence)
Setup5 minutes (chat) or 15 minutes (Claude Code)
Works inClaude chat (one skill at a time) or Claude Code (all 11)
Proof290+ stars on GitHub in 5 days

Checked on 11 Oct 2026. Tools change fast, so the official page always wins if it says something different.

What it does

What you need first

1A Claude accountFor the quick version, any plan. For all 11 skills with the 100-buyer panel, Claude Code.→
2Your idea in a few linesWhat you sell, who it's for, your price, your rough costs.

The GitHub page, explained

Free tools like this live on GitHub. Open github.com/Jakeschincariol/founder-skill and this is what you'll see at the top:

The Jakeschincariol/founder-skill GitHub page: Star count, green Code button and About box marked 1 to 3
  1. Star (290+): how many people saved it. More stars means more people trust it. Clicking it is optional and needs a free GitHub account.
  2. Green Code button: the download button. You only need it if a step below tells you to.
  3. About: one line on what it does, so you know you're on the right page.

Scroll down the GitHub page to README: that's the creator's full manual. This page is the simple version.

Step by step

Quick version: use one skill in a normal Claude chat

Open the board skill, copy the whole file, paste it at the top of a new Claude chat, then describe your idea.

Tip: In a normal chat you lose the sub-agents and the number tools, but the method works. Do the same with founder-consumer, founder-pricing and the others.

GitHub file page: SKILL.md marked 1 and the copy button marked 2
  1. Make sure you're on SKILL.md inside the founder-board folder.
  2. Copy raw file: copies the whole skill in one click.

Full version: install Claude Code

All 11 skills, the 100-buyer panel and the CFO tools need Claude Code (paid Claude plan). Run this in Terminal (Mac) or PowerShell (Windows):

Mac (Terminal)
curl -fsSL https://claude.ai/install.sh | bash
Windows (PowerShell)
irm https://claude.ai/install.ps1 | iex

Add the Founder skills

Start Claude Code in a new folder for your idea, then add the plugin:

/plugin marketplace add Jakeschincariol/founder-skill
/plugin install founder-skill@founder-skill

Run them in order

Start with the board, then the buyers. Each skill reads what the last one wrote.

Example
/founder-skill:founder-board I want to open a matcha café in Toronto, iced lattes at $6.50, for office workers who buy coffee every day.

The order that works

Each one reads the last one's notes.

board → competitors → consumer → pricing → offer
cfo → marketing → brand → ops → launch → plan
Not sure about an idea yet? Run /founder-skill:founder-consumer --quick first.

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The catch

Stuck?

Can I use it without Claude Code?
Yes, one skill at a time: copy a SKILL.md into a normal Claude chat (step 1). You lose the 100 sub-agent buyers and the Python tools.
The commands don't show up
Restart Claude Code after installing the plugin. Plugin skills start with /founder-skill: (for example /founder-skill:founder-board).
Can I trust the verdict?
Use it to find weak spots fast. The verdict is only as good as your numbers, and the buyers aren't real people.

Official links

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