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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. A checklist mapped to the exact mistakes AI-generated backends make. vibeappscanner.com Guide · How Founders Use AI Supabase security: RLS, service_role and the CVE-2025-48757 patterns Vibe App Scanner
  2. Why giving your AI agent production database access is its own attack surface. pomerium.com Article · How Founders Use AI When AI has root: lessons from the Supabase MCP data leak Pomerium
  3. Security researchers show how trivially exposed vibe-coded backends get found. labs.cognisys.group Article · How Founders Use AI Supabase leaks: what we found Cognisys Labs
  4. A self-audit you can run on your own app in an afternoon. dev.to Article · How Founders Use AI Supabase security: the hidden dangers of RLS and how to audit your API Fabio (DEV)
  5. Builds the structured habits (PRD, specs, checkpoints) that make production transition survivable. lennysnewsletter.com Guide · How Founders Use AI The complete beginner's guide to coding with AI: from PRD to first lines of code Lenny's Newsletter
  6. The deploy-day specifics: environments, secrets, monitoring. tsvillain.medium.com Article · How Founders Use AI Deploying vibe-coded applications: a production guide Tekeshwar Singh
  7. Lovable-specific hardening path, useful if that is your stack. logic-square.com Article · How Founders Use AI How to turn a Lovable prototype into a production system Logic Square
  8. A neutral overview of where AI genuinely speeds up usability testing. figma.com Guide · How Founders Use AI AI usability testing guide: modern workflow and tools Figma
  9. Turns 'send the link around' into a structured test with real findings in about an hour. reforge.com Article · How Founders Use AI How to get structured user feedback on your AI prototypes Reforge
  10. Mobile-specific prototype testing tactics, useful for app founders. usertesting.com Article · How Founders Use AI How to get rapid user feedback on your mobile app prototype UserTesting
  11. Peer-reviewed-grade caution on what simulated users systematically miss. interactions.acm.org Article · How Founders Use AI The challenges of synthetic users in UX research ACM Interactions
  12. Quantitative comparisons of synthetic versus human responses across studies. measuringu.com Article · How Founders Use AI A review of experiments with synthetic users MeasuringU (Jeff Sauro)
  13. A balanced practitioner summary if you only read one pros-and-cons piece. medium.com Article · How Founders Use AI AI synthetic users for UX testing: pros and cons guide Hashbyt
  14. Head-to-head of the three main AI research platforms, including message testing. genesysgrowth.com Article · How Founders Use AI UserTesting AI vs Maze AI vs Wynter: a complete guide Genesys Growth
  15. A current tool landscape so you pick by need, not brand recall. uxarmy.com Article · How Founders Use AI Top AI tools for usability testing UXArmy
  16. A researcher's hands-on trial of synthetic interviews with honest results. carolinaguimaraeslima.medium.com Article · How Founders Use AI Synthetic users: the next revolution in UX research? Carolina Guimarães
  17. A free field guide for running interviews that produce decisions, not just notes. userinterviews.com Guide · How Founders Use AI User interviews for UX research: what, why and how User Interviews
  18. Context on the fastest-growing mobile AI builder and where it is headed. prnewswire.com Article · How Founders Use AI Rork raises $15M to power the next generation of App Store entrepreneurs Rork (PR Newswire)
  19. Weekly practical lessons from the founder of a mobile vibe-coding company. newsletter.vibecodeapp.com Guide · How Founders Use AI Learn to Vibe Code newsletter Riley Brown (VibeCode)
  20. Google's account of the redesigned Stitch: an infinite canvas, screens linked into a playable flow, and DESIGN.md for design... blog.google Article · How Founders Use AI Introducing “vibe design” with Stitch Google (Rustin Banks, Google Labs)
  21. A critical review so you know Stitch's ceiling before relying on it. index.dev Article · How Founders Use AI Google Stitch review: AI UI design tool features, pros and cons Index.dev
  22. A time-boxed build plan for a first working mobile app. digia.tech Guide · How Founders Use AI How to build a mobile app with AI in 30 minutes Digia
  23. The best single workflow for brand-consistent AI imagery: moodboards, style refs, iteration. lennysnewsletter.com Guide · How Founders Use AI Mastering Midjourney: consistent, beautiful brand imagery without complex prompts Lenny's Newsletter
  24. The official feature that turns scattered generations into a coherent visual identity. docs.midjourney.com Guide · How Founders Use AI Midjourney moodboards documentation Midjourney

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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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