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.
- 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)
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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)
- 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
- 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)
- 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
- 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
- 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
- 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)
- 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
- 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
- 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
- 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)
- 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)
- 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
- 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)
- 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)
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →