Explore · The library

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. How the line has blurred a year on, from the person who drew it. simonw.substack.com Article · How Founders Use AI Vibe coding and agentic engineering are getting closer than I'd like Simon Willison
  2. The lexicographers' own definition and why usage exploded. blog.collinsdictionary.com Article · How Founders Use AI Collins Word of the Year 2025: AI meets authenticity Collins Dictionary
  3. How the startup establishment absorbed the term within a month. x.com Thread · How Founders Use AI YC on Karpathy's coinage and what it means Y Combinator
  4. The practitioner argument over what the word should mean. news.ycombinator.com Article · How Founders Use AI Hacker News debates Ng's 'bad name for a real job' Hacker News
  5. The academic treatment if you want the rigorous version. arxiv.org Article · How Founders Use AI Vibe Coding: toward an AI-native paradigm for intent-driven programming arXiv (academic survey)
  6. Decode tokens, context windows, and RLS before your first session. siteground.com Guide · How Founders Use AI Vibe coding glossary: key terms every beginner should know SiteGround Academy
  7. A builder-platform's plain-English dictionary of the jargon. blink.new Guide · How Founders Use AI Vibe coding glossary: every term you need to know Blink
  8. The terms you will meet in your first month, explained simply. blog.vibecoder.me Guide · How Founders Use AI Vibe coding vocabulary: every term you need Vibe Coder Blog
  9. 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
  10. 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
  11. 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
  12. The most-copied spec-first workflow, with the exact prompts. harper.blog Guide · How Founders Use AI My LLM codegen workflow atm Harper Reed
  13. How the workflow evolved after months of real use. harper.blog Article · How Founders Use AI An LLM codegen hero's journey Harper Reed
  14. 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
  15. Backend-aware prompting patterns from the database everyone uses. supabase.com Guide · How Founders Use AI Vibe coding: best practices for prompting Supabase
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms
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