Explore

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. Benchmarks the same prompt across builders with timing and code-quality notes. digitalapplied.com Article · How Founders Use AI AI App Builders: v0 vs Lovable vs Bolt vs Replit Digital Applied In 2 answers
  2. The most-starred open-source text-to-SQL framework; MIT-licensed and works with any LLM including local ones. github.com Tool · How Founders Use AI vanna-ai/vanna: Chat with your SQL database Vanna.AI In 2 answers
  3. A database-tooling company's sober shortlist of what actually generates runnable SQL. bytebase.com Article · How Founders Use AI Top 5 Text-to-SQL Query Tools Bytebase In 2 answers
  4. Explains how schema introspection lets Claude reason about your data model, not just guess. pgedge.com Article · How Founders Use AI Introducing the pgEdge Postgres MCP Server pgEdge In 2 answers
  5. Video · How Founders Use AI Build AI Agents with n8n: Complete Beginner's Automation Course JavaScript Mastery In 2 answers
  6. A PM's exact prompts for turning raw data into a dashboard stakeholders actually open. medium.com Article · How Founders Use AI How To Build Interactive Dashboards With Claude Like An AI Product Manager Ian Khor In 2 answers
  7. Connecting real data feeds to Claude-built dashboards, with worked examples. blog.coupler.io Guide · How Founders Use AI Claude.ai Artifacts for Live Analytics Dashboards Coupler.io In 2 answers
  8. Video · How Founders Use AI Claude Code + Streamlit = Insane Data Analyst Lore So What In 2 answers
  9. Video · How Founders Use AI AI Agents, Clearly Explained Jeff Su In 2 answers
  10. A sober corporate reference for checking any claim you hear at a demo day. ibm.com Guide · How Founders Use AI The 2026 Guide to AI Agents IBM In 2 answers
  11. Free and certified, it takes you from the definition to actually shipping a small agent. huggingface.co Course · How Founders Use AI Hugging Face AI Agents Course Hugging Face In 2 answers
  12. Lays out the six behaviors that separate a real agent from an ordinary AI tool. lennysnewsletter.com Podcast · How Founders Use AI Make product management fun again with AI agents Lenny's Podcast (Hamza Farooq, Jaya Rajwani) In 2 answers
  13. A concrete before-and-after of chatbots vs agents in the function founders know best. a16z.com Podcast · How Founders Use AI Can AI Agents Finally Fix Customer Support? a16z In 2 answers
  14. A 15-person company running on agents across writing, code, support and consulting. lennysnewsletter.com Podcast · How Founders Use AI The AI-native startup: 5 products, 7-figure revenue, 100% AI-written code | Dan Shipper Lenny's Podcast (Dan Shipper) In 2 answers
  15. Reported stories of one-person companies plus an honest look at the limits. fortune.com Article · How Founders Use AI Solo founders are using AI to do the work of entire teams Fortune In 2 answers
  16. What support agents can genuinely resolve today, from the founder building them. open.spotify.com Podcast · How Founders Use AI How AI Agents Are Transforming Customer Support, with Decagon's Jesse Zhang No Priors In 2 answers
  17. OpenAI's orchestration patterns apply whichever stack you choose. openai.com Guide · How Founders Use AI A Practical Guide to Building Agents OpenAI In 2 answers
  18. The person who started the framework wars explains what orchestration is for. sequoiacap.com Podcast · How Founders Use AI LangChain's Harrison Chase on Building the Orchestration Layer for AI Agents Sequoia Training Data In 2 answers
  19. The single chart that explains why what is unaffordable today is cheap next year. a16z.com Article · How Founders Use AI Welcome to LLMflation: LLM inference cost is going down fast a16z (Guido Appenzeller) In 2 answers
  20. The headline numbers in thread form for a two-minute read. x.com Thread · How Founders Use AI LLMflation: 10x cheaper per year a16z In 2 answers
  21. Why KV-cache hit rate is the one production metric that decides agent margins. manus.im Article · How Founders Use AI Context Engineering for AI Agents: Lessons from Building Manus Yichao 'Peak' Ji (Manus) In 2 answers
  22. The full stack of costs behind a token price, for founders selling AI products. introl.com Article · How Founders Use AI Inference Unit Economics: The True Cost Per Million Tokens Introl In 2 answers
  23. Every question you will have about evals, answered by the field's top teacher. hamel.dev Article · How Founders Use AI LLM Evals: Everything You Need to Know (FAQ) Hamel Husain In 2 answers
  24. The course that trained 2,000+ people, including teams at OpenAI and Anthropic. maven.com Course · How Founders Use AI AI Evals For Engineers & PMs (Maven course) Hamel Husain & Shreya Shankar In 2 answers

Show the next 24

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
eChai Partner Brands The partnership →