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Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Definition plus decision framework aimed squarely at founders. sonary.com Guide · How Founders Use AI What is vibe coding? The non-technical founder's guide Sonary
  2. The Software 3.0 framing digested into ten minutes of reading. dulandias.com Article · How Founders Use AI Software is changing (again): key takeaways from Karpathy's talk Dulan Dias
  3. The chaptered summary of his own talk, straight from the source. x.com Thread · How Founders Use AI Karpathy: 'LLMs are a new kind of computer you program in English' Andrej Karpathy
  4. The most-copied spec-first workflow, with the exact prompts. harper.blog Guide · How Founders Use AI My LLM codegen workflow atm Harper Reed
  5. How the workflow evolved after months of real use. harper.blog Article · How Founders Use AI An LLM codegen hero's journey Harper Reed
  6. A trusted second opinion on why the approach works. simonwillison.net Article · How Founders Use AI Simon Willison on Harper Reed's workflow Simon Willison
  7. Backend-aware prompting patterns from the database everyone uses. supabase.com Guide · How Founders Use AI Vibe coding: best practices for prompting Supabase
  8. Plan mode, context hygiene, and step-sizing from the tool's makers. code.claude.com Guide · How Founders Use AI Best practices for Claude Code Anthropic
  9. Data on what workflows actually succeed across thousands of users. anthropic.com Article · How Founders Use AI How Claude Code is used in practice Anthropic
  10. Why GitHub built the antidote to piecemeal prompting. github.blog Guide · How Founders Use AI Spec-driven development with AI: get started with a new open source toolkit GitHub
  11. A hands-on walkthrough of the spec-first loop. developer.microsoft.com Article · How Founders Use AI Diving into spec-driven development with GitHub Spec Kit Microsoft
  12. A living, battle-tested prompt methodology with real example projects. github.com Guide · How Founders Use AI EnzeD/vibe-coding: the vibe coding kickstart guide Nicolas Zullo
  13. A designer's method: describe design intent in steps, not specs. medium.com Article · How Founders Use AI From prompt to prototype: get the most out of Lovable Stefan Klocek
  14. How a non-engineer at Meta structures work so Cursor delivers. lennysnewsletter.com Guide · How Founders Use AI The non-technical PM's guide to building with Cursor Zevi Arnovitz via Lenny's Newsletter
  15. Small phrasing changes that visibly change output quality. prettypromptai.substack.com Article · How Founders Use AI Prompting hacks for vibe coding in Lovable Pretty Prompt
  16. Sees Harper's workflow applied to a concrete project end to end. zacharynielsen.com Article · How Founders Use AI LLM development workflow example Zach Nielsen
  17. Top security researchers dissect the biggest vibe-coded breach yet. wiz.io Article · How Founders Use AI Hacking Moltbook: AI social network reveals 1.5M API keys Wiz Research
  18. The mainstream account of what unreviewed AI code cost. fortune.com Article · How Founders Use AI Moltbook is a 'live demo' of how the new internet could fail Fortune
  19. The most practical pre-launch checklist written for non-engineers. aikido.dev Guide · How Founders Use AI Vibe check: the vibe coder's security checklist Aikido Security
  20. First-party guide to the built-in scanners and what they catch. lovable.dev Guide · How Founders Use AI A founder's guide to Lovable security Lovable
  21. The scan data plus engineers explaining exactly how leaks happen. news.ycombinator.com Article · How Founders Use AI 11% of vibe-coded apps are leaking Supabase keys (HN discussion) Hacker News
  22. Step-by-step hardening you can do without an engineer. fencer.dev Guide · How Founders Use AI How to secure your vibe coded app: security checklist for founders Fencer
  23. Based on an audit that found 10.3% of Lovable apps leaking data. hacknope.com Guide · How Founders Use AI Security checklist for Lovable apps: 15 things to check before launch HackNope
  24. Compares the scanners that check your app automatically. vibeappscanner.com Guide · How Founders Use AI Best AI security scanner for vibe-coded apps Vibe App Scanner

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
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