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. A high-volume pre-seed fund on where AI helps its decisions and where humans still decide, useful for calibrating what actually... hustlefund.vc Article · How Founders Use AI Understanding the Impact of AI on Venture Capital Investment Decisions Brian Nichols (Hustle Fund)
  2. The stage-calibrated prompts investors run on you, from pre-seed to Series B, which makes it a cheat sheet for founders too. 22ndcenturyfrontier.com Article · How Founders Use AI The Complete VC Due Diligence Prompt Playbook: 33 AI Prompts Petar Dimov (22nd Century Frontier)
  3. The official walkthrough of getting from one paragraph to a full draft, including what the AI covers and what it leaves to you. gamma.app Guide · How Founders Use AI Gamma Generates Investor Pitch Deck Drafts From a Simple Startup Description Gamma
  4. A tool-maker's unusually honest take on where AI generation helps a raise and where founder judgment must override it. beautiful.ai Article · How Founders Use AI AI Presentations for Startups: Pitch Deck Best Practices That Actually Win Funding Beautiful.ai
  5. Shows exactly what their AI can and cannot do for an investor deck, useful calibration before you trust any generator. slidebean.com Guide · How Founders Use AI Slidebean AI Pitch Deck Generator: How It Works Slidebean
  6. A builder-written comparison focused on output quality and PowerPoint/Slides compatibility rather than affiliate links. plusai.com Article · How Founders Use AI 5 Best AI Pitch Deck Generators Plus AI
  7. Reading-behavior data on what makes decks work, the quality bar to judge any AI-generated draft against. docsend.com Article · How Founders Use AI Anatomy of a compelling pitch deck DocSend
  8. Explains how the VC pitch coach works, including tuning the AI to the temperament of the specific investor you will face. geekwire.com Article · How Founders Use AI AI-powered VC pitch coach from Yoodli helps startup founders prepare to face investors GeekWire
  9. Signal that AI roleplay practice has become a real category, with context on where the product is heading. techcrunch.com Article · How Founders Use AI Ex-Googler's Yoodli triples valuation to $300M+ TechCrunch
  10. A ready-to-paste prompt that turns Claude into a skeptical Series A investor who rates every answer and summarizes your weak... founderprompts.com Article · How Founders Use AI How to Use AI to Prep for Investor Q&A (Prompt Included) Vasil (Founder Prompts)
  11. The prompt-plus-code original that showed founders how to simulate angels, VCs, and PE investors with distinct personalities. linkedin.com Article · How Founders Use AI GPT Venture Capitalist Bot: Practice Your Startup Pitches Reuven Cohen
  12. Shows how deep context plus structured prompts turns Claude into a genuine stress-tester of your narrative instead of a... climateinsiders.substack.com Article · How Founders Use AI The Claude Prompts That Are Closing Climate Rounds in 2026 Yoann Berno (Climate Insiders)
  13. A practical prep sequence combining rehearsal reps, question banks, and delivery feedback into one routine. yoodli.ai Guide · How Founders Use AI How to Prepare for an Investor Pitch & Win Them Over Yoodli
  14. The startup-CFO firm behind hundreds of venture-backed companies lays out exactly what financial diligence will probe. kruzeconsulting.com Guide · How Founders Use AI Finance Due Diligence for Startups: A Guide Kruze Consulting
  15. A lawyer-written cap table guide with worked dilution examples and vetted templates, a trustworthy skeleton to iterate on with AI. promise.legal Guide · How Founders Use AI Free Cap Table Template: Track Equity, Dilution & Ownership Promise Legal
  16. A VC shows the reclassification audit investors now run on ARR, and the Claude prompt to run it on yourself first. the-founders-corner.com Article · How Founders Use AI The Claude Prompt That Found My Real ARR. Then I Raised. Chris Tottman (Notion Capital)
  17. If you build with AI, data provenance is now a diligence killer; this explains what documentation keeps your round alive. startupsmagazine.co.uk Article · How Founders Use AI The new due diligence: why VCs are walking away from AI startups with hidden legal risk Startups Magazine
  18. A stage-appropriate checklist so your early-stage diligence folder is complete without being bloated. raisetalks.com Guide · How Founders Use AI 2025 Ultimate Data Room Checklist for Pre-Seed & Seed Startups RaiseTalks
  19. Written from the investor's side of the table, so you assemble numbers in the order diligence will actually read them. goingvc.com Guide · How Founders Use AI VC Checklist Guide: Everything Investors Expect In Your Data Room GoingVC
  20. The prompt library investors point at early-stage companies; run it against your own numbers before they do. 22ndcenturyfrontier.com Article · How Founders Use AI AI-Powered Due Diligence: The VC Prompt Library for Pre-Seed & Seed Analysis Petar Dimov (22nd Century Frontier)
  21. Hard evidence that half the 'better AI' effect is the user's prompting skill, the clearest answer to why identical tools... mitsloan.mit.edu Article · How Founders Use AI Study: Generative AI results depend on user prompts as much as models MIT Sloan (Ideas Made to Matter)
  22. Data from OpenAI's own enterprise usage showing the gap is behavioral, not access, everyone has the same tools, few use them... venturebeat.com Article · How Founders Use AI OpenAI report reveals a 6x productivity gap between AI power users and everyone else VentureBeat
  23. A practitioner's deep dive with real prompts from AI companies, separating research-backed techniques from folklore. news.aakashg.com Article · How Founders Use AI Prompt Engineering in 2025: The Latest Best Practices Aakash Gupta (Product Growth)
  24. An empirical test of popular tips against a recent model, showing which are measurable wins and which are myths. dreamhost.com Article · How Founders Use AI We Tested 25 Popular Claude Prompt Techniques: These 5 Actually Work Brian Andrus (DreamHost)

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