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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 product-led lens on when taste needs a full-time owner. productled.com Article · How Founders Use AI Taste is the new moat: building in the age of AI with Typeform ProductLed
  2. The market context for why design hires got more strategic, not obsolete. forbes.com Article · How Founders Use AI Why taste is Silicon Valley's new competitive moat Forbes (Josipa Majic)
  3. On why the designer-engineer-PM boundary is dissolving and what that means for your first hires. productschool.com Podcast · How Founders Use AI Dylan Field on design, product, engineering: blurring the lines in the AI era Product School
  4. Survey-backed look at which early hires AI actually displaces (hint: not judgment roles). mercury.com Article · How Founders Use AI How AI is influencing early roles at startups Mercury
  5. Investor guidance on sequencing hires when AI covers the early design work. hsgcap.com Article · How Founders Use AI How to build your startup team in the age of AI HSG
  6. The skeptical rebuttal, useful before you overpay for 'taste' in a hire. medium.com Article · How Founders Use AI Taste is the new moat, and that's the problem Ruiqi Zhou
  7. The most engineering-credible checklist for hardening an AI-built app. stack.convex.dev Guide · How Founders Use AI 6 steps before taking your vibe-coded app to production Convex
  8. A full workflow that builds production discipline in from the first prompt. sitepoint.com Guide · How Founders Use AI Production vibe coding workflow: from prompt to deploy SitePoint
  9. Draws the prototype-versus-production line precisely, then walks the gap. vibengineer.io Article · How Founders Use AI Vibe coded prototype to production: how to harden the demo Vibengineer
  10. A time-boxed two-week plan if you need a launch date, not a philosophy. appstuck.com Guide · How Founders Use AI Vibe coded to production: the 14-day playbook AppStuck
  11. A sober framework for deciding rebuild versus harden. mindstudio.ai Article · How Founders Use AI Is vibe coding good enough for production apps? MindStudio
  12. First-party account of the year vibe-coded apps leaked data, and the safer defaults that followed. supabase.com Article · How Founders Use AI Supabase security retro: 2025 Supabase
  13. The cautionary tale every Lovable and Bolt builder should read before launch. byteiota.com Article · How Founders Use AI Supabase security flaw: 170+ apps exposed by missing RLS byteiota
  14. 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
  15. 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
  16. 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
  17. 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)
  18. YC's practical guidance on working with AI code you intend to keep. ycombinator.com Video · How Founders Use AI How to get the most out of vibe coding Y Combinator
  19. 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
  20. The deploy-day specifics: environments, secrets, monitoring. tsvillain.medium.com Article · How Founders Use AI Deploying vibe-coded applications: a production guide Tekeshwar Singh
  21. 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
  22. The fastest way to get task-based usability data on a clickable prototype. maze.co Tool · How Founders Use AI Maze prototype testing Maze
  23. 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
  24. 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

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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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