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Founder skill: eleven free Claude skills that stress-test a business idea before launch

Release Ruler for this brief: marked at its publication date, Oct 27, 2026, among the AI models we track.

Founder skill is a free, MIT-licensed GitHub repository of eleven Claude skills (board, competitors, consumer panel, pricing, offer, CFO, marketing, brand, ops, launch and plan) that test a business idea before launch; it installs as a Claude Code plugin and needs no API key.

By Agentic Weekly · Evidence: Reported · How we work

First seen
(via GitHub new repos: topic claude-code)
Source published
(we saw it 19.8 days later)
Brief published

What changed

  • The repository packages eleven Claude skills, from /founder-board to /founder-plan, meant to be run in order, each reading what the others wrote into a founder/ folder in the project.
  • /founder-consumer spins up a panel of buyer sub-agents (100 by default) from your target customer, each with its own income, habits and objection, and tallies who buys and why.
  • /founder-cfo works out contribution per sale, profit margin, break-even per day, a month-by-month first year and cash needed; /founder-plan compiles everything with a verdict of Profitable, Not yet or Incomplete.
  • It installs as a Claude Code plugin (/plugin marketplace add, then /plugin install), by copying the skill folders, or by pasting a single SKILL.md into a chat, which loses the sub-agents and Python tools.
  • The README says it is free and MIT licensed with no signup or API key; its tools need Python 3.8 or newer. The repo showed about 1.9k stars and 262 forks when we read it.

In the source’s words

“Free, MIT, no signup, no API key, nothing to connect.”

What we have not verified

  • We did not install or run any of the skills.
  • Buyer-agent panels are simulated by a model; nothing in the repo shows they predict real customer behaviour.
  • Star and fork counts change; they are as shown on GitHub on October 27, 2026.

This brief is Reported: written from the sources below, not from running the release ourselves.

Sources

Spotted an error? See our corrections policy or email the address on the contact page. Markdown version for agents: /news/founder-skill-claude-skills-test-business-idea.md

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