founder-skill
founder-skill is a set of eleven free Claude skills that test a business idea before launch for solo founders and small business owners.
What it is good for
- Checking whether a business idea is worth launching
- Estimating profit margins, break-even, and cash needed
- Simulating how buyers would react to a product and price
- Planning a launch, marketing campaign, and business plan
At a glance
- Who it is for
- Setup
- Install a desktop app or browser extension
Level 3 of 5. Download and install it like any other app or extension.
- Cost
- Free and open source
- Type
- Skill or plugin
- Tasks
- Works with
- Claude, Claude Code
Momentum
- Rank this week
- Not ranked (last #71, week 43, 2026)
- Best rank
- #34 week 42, 2026
- GitHub stars
- 2,329
GitHub numbers as of Nov 2, 2026. Updated weekly.
Ranking history
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is founder-skill free?
- Yes. It is free and open source (MIT license).
- Do I need to know how to code to use founder-skill?
- No. Download and install it like any other app or extension.
- What does founder-skill work with?
- According to its own documentation, it works with Claude and Claude Code.
- What is founder-skill good for?
- Checking whether a business idea is worth launching, estimating profit margins, break-even, and cash needed, simulating how buyers would react to a product and price, and planning a launch, marketing campaign, and business plan.
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