Evaluating Startup Ideas

by RefoundAI

Evaluating Startup Ideas is an AI Engineering skill for Claude Code, published by RefoundAI in lenny-skills.

1.3K stars161 forkson RefoundAI/lenny-skillsAdded 2026/08/20Repository updated 2026/07/16

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Install in seconds

Install Evaluating Startup Ideas

Copy Evaluating Startup Ideas into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/RefoundAI/lenny-skills/tree/main/skills/evaluating-startup-ideas ~/.claude/skills/evaluating-startup-ideas

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/RefoundAI/lenny-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/evaluating-startup-ideas/SKILL.md in RefoundAI/lenny-skills
Installs to: ~/.claude/skills/evaluating-startup-ideas
Collection: One of 25 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What Evaluating Startup Ideas does

Evaluating Startup Ideas helps users distinguish deceptive tarpit ideas from high-potential opportunities by applying rigorous frameworks for market timing, business math, and user demand.

Evaluating Startup Ideas is cataloged under AI Engineering on DirSkills. Evaluating Startup Ideas comes from a repository tagged ai-agents, ai-assistant, claude, claude-code and lenny-rachitsky.

Documentation

README

Excerpt

Evaluating Startup Ideas

Systematically validate problem-solution fit, market timing, and business viability before you build.

Help the user with evaluating startup ideas using insights from 21 guests and posts across Lenny's Podcast and Newsletter.

How to Help

Assess Problem Urgency - Determine if you are solving a hair-on-fire problem or an incremental convenience.
Analyze Market Timing - Evaluate if there is a clear why now inflection point in technology, regulation, or behavior.
Review Business Viability - Scrutinize the underlying math to ensure a path to $100M in annual revenue.
Validate via Experiments - Guide the transition from brainstorming to manual testing before committing to code.

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Evaluating Startup Ideas

What else does RefoundAI publish alongside Evaluating Startup Ideas?
Evaluating Startup Ideas is one of 25 skills that DirSkills catalogs from RefoundAI/lenny-skills, the repository it ships in. Its siblings there include AI Evals, AI Product Strategy and AI-Assisted Prototyping. Each one is a separate skill with its own page in this directory, installs the same way Evaluating Startup Ideas does, and is maintained by RefoundAI in that same repository. The rest of the collection is listed on the RefoundAI/lenny-skills page.
How does Evaluating Startup Ideas compare to other AI Engineering skills?
Evaluating Startup Ideas ranks #1135 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Evaluating Startup Ideas against them. Open each page to compare what they document and how they install.