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. IDOR is the everyday version of the danger in one sentence: change the id in a URL or request from 1042 to 1043 and read... OWASP Article · Starting Up Insecure Direct Object Reference (IDOR) OWASP Foundation
  2. Once you need real roles (admin, member, viewer), this shows the clean pattern: store roles and permissions in tables, put the... Supabase Docs Article · Starting Up Custom Claims and Role-Based Access Control (RBAC) Supabase
  3. Xano is a popular no-code backend behind Webflow and FlutterFlow front ends, and this build-along shows how to gate endpoints... Xano Article · Starting Up Building Role-Based Access Control in Xano Xano
  4. Before roles, you need real login, and this walks through signup, login, and fetching the current user with tokens rather than... Xano Article · Starting Up Building Basic Authentication with Xano and Webflow Xano
  5. This clears up a mistake that leaks data straight out of Airtable and similar tools: putting a private key in front-end code... WeWeb Article · Starting Up API Key Security for No-Code Apps: Public Keys, Private Keys, and Backend Proxies WeWeb
  6. Airtable's tokens have no row-level control: a valid token can read and write the entire base, so leaking one is a full breach.... GitGuardian Article · Starting Up Remediating Airtable API Key leaks GitGuardian
  7. The safe pattern for Airtable is to keep keys and logic server-side, and this is Airtable's own feature for storing secrets... Airtable Community Article · Starting Up Introducing Secrets in automations: Secure your API keys and sensitive data Airtable
  8. When you want the full picture beyond one tool, this is the friendliest serious book on application security, written for... She Hacks Purple Book · 288 pages · Starting Up Alice and Bob Learn Application Security Tanya Janca
  9. A plain overview of where no-code tools tend to leak, useful because the same handful of mistakes repeats across Bubble,... CodeStringers Article · Starting Up Security Pitfalls in No-Code Platforms: What to Watch Out For CodeStringers
  10. Tavel, a marketplace investor at Benchmark, argues that the first thing to solve is user happiness in a small, constrained... Sarah Tavel Essay · Starting Up The Hierarchy of Marketplaces Sarah Tavel
  11. This breaks down the online directory as a business, including how they make money and roughly what they cost to start. It is... Starter Story Article · Starting Up Start an Online Directory: Business Idea Breakdown Starter Story
  12. A practical guide to the directory as a lean side project, covering niche choice, getting the first listings, and monetizing... Side Hustle Nation Article · Starting Up How to Build a Profitable Online Directory Side Hustle Nation
  13. This is the clearest working mental model for exactly your situation: treat the AI as a fast, over-confident pair programmer... Simon Willison's Weblog Essay · 20 min read · Starting Up Here's how I use LLMs to help me write code Simon Willison
  14. Shipper taught a cohort of non-engineers to build working apps with AI and reports honestly on what clicked and where people... Every Article · Starting Up What I Learned Teaching 100 People To Code with AI Dan Shipper
  15. A firsthand account of a non-engineer hitting the exact wall your short answer warns about: the tools carry you a long way,... Every Essay · Starting Up I Tried AI Coding Tools. Now I Want to Learn to Code. Katie Parrott
  16. A concrete, current walkthrough of how an experienced engineer actually structures work with AI tools day to day: planning... addyosmani.com Article · Starting Up My LLM coding workflow going into 2026 Addy Osmani
  17. An official, plain checklist for the skill your short answer insists on: reading and testing what the AI writes before you... GitHub Docs Article · Starting Up Review AI-generated code GitHub
  18. The sharpest statement of the tradeoff at the heart of your question: code you do not understand is technical debt the instant... Val Town Blog Essay · Starting Up Vibe code is legacy code Steve Krouse
  19. Another non-engineer, a designer this time, showing concretely how far you can push Cursor to build interactive things without... Lenny's Newsletter Article · Starting Up A designer's guide to Cursor Elizabeth Lin
  20. A research study, not a hot take, on the real tradeoff between the speed of vibe coding and the technical debt it piles up. If... arXiv Article · Starting Up Vibe Coding in Practice: Flow, Technical Debt, and Guidelines for Sustainable Use arXiv
  21. This is the clearest short read on the exact idea behind your answer: pick one place everyone agrees is real, and let the rest... Notion Essay · 8 min read · Starting Up Here's why your startup needs a single source of truth Notion
  22. Automation stops being mysterious once you see it as one sentence: when this happens, do that. This official page defines a... Zapier Help Article · 5 min read · Starting Up What is a Zap? Zapier
  23. This is the discipline your answer opens with: draw the flow before you connect a single app. It makes the case that automating... McCary Group Article · 7 min read · Starting Up Map your business process before automating it McCary Group
  24. Once Airtable is your source of truth, this gives you concrete, copyable patterns for syncing it outward to email, Slack,... Zapier Article · 10 min read · Starting Up 9 Airtable automation ideas Zapier

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