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. The stat everyone quotes, with the integration story behind it. fortune.com Article · How Founders Use AI MIT report: 95% of generative AI pilots at companies are failing Fortune
  2. Names the 'prompt doom loop' that kills adoption inside companies. salesforce.com Article · How Founders Use AI Why 95% of AI Pilots Fail, and What the Other 5% Do Differently Salesforce
  3. An agent-builder's readthrough of the MIT NANDA findings. beam.ai Article · How Founders Use AI 95% of Enterprise AI Pilots Are Failing: MIT Report Reveals Why Beam AI
  4. The testing-company view: winners treat agents as software, with rigor. tricentis.com Article · How Founders Use AI Why 95% of AI pilots fail, and what it takes to scale in the agentic era Tricentis
  5. A concrete path from pilot purgatory to production. dataiku.com Article · How Founders Use AI MIT Says 95% of GenAI Pilots Fail: How to Beat the Odds Dataiku
  6. Pattern-matches the survivors: workflow integration and adaptability. multimodal.dev Article · How Founders Use AI Why AI Pilots Fail and How to Succeed Like the 5% Multimodal
  7. 1,340 practitioners on what blocks agents: quality first, latency second. langchain.com Article · How Founders Use AI State of Agent Engineering LangChain
  8. The baseline survey to compare how fast the field is maturing. langchain.com Article · How Founders Use AI LangChain State of AI Agents Report LangChain
  9. Top use cases and blockers in one thread. x.com Thread · How Founders Use AI State of AI Agents: we surveyed 1300+ professionals LangChain
  10. The full downloadable data if you want to cite it to your board. langchain.com Guide · How Founders Use AI State of AI Agents Survey & Report LangChain
  11. Stitches the three big failure studies into one narrative. medium.com Article · How Founders Use AI MIT Says 95% Fail. McKinsey Explains Why. Agentic Engineering Shows the Fix. Yi Zhou
  12. Independent analysis of the adoption data, minus vendor spin. infoq.com Article · How Founders Use AI New LangChain Report Reveals Growing Adoption of AI Agents InfoQ
  13. A blunt pre-mortem checklist to run before you start. medium.com Article · How Founders Use AI Why Your AI Agent Pilot Will Join the 95% That Fail Ali El-Shayeb
  14. A useful antidote to demo-day expectations of agent competence. theconversation.com Article · How Founders Use AI OpenAI's deep research agent is still just a fallible tool The Conversation
  15. The post that coined the framing, with the LLM-as-CPU analogy. rlancemartin.github.io Article · How Founders Use AI Context Engineering for Agents (original essay) Lance Martin
  16. An expert's teardown of how Manus applies the theory in production. rlancemartin.github.io Article · How Founders Use AI Context Engineering in Manus Lance Martin
  17. Advanced patterns once the basics stop being enough. philschmid.de Article · How Founders Use AI Context Engineering for AI Agents: Part 2 Philipp Schmid (Google DeepMind)
  18. The implementation reference when you actually build it. docs.langchain.com Guide · How Founders Use AI Context engineering in agents (docs) LangChain
  19. Explains why agents get dumber as conversations get longer, and what to do. inkeep.com Article · How Founders Use AI Fighting Context Rot Inkeep
  20. The research evidence that performance degrades with input length. arxiv.org Article · How Founders Use AI Diagnosing and Mitigating Context Rot in Long-horizon Search arXiv researchers
  21. Reverse-engineers how Claude's own products manage context. 01.me Article · How Founders Use AI Claude's Context Engineering Secrets: Best Practices from Anthropic Bojie Li
  22. How a code-intelligence company feeds agents exactly the right slice of a codebase. sourcegraph.com Guide · How Founders Use AI Context Engineering: A Practical Guide for AI Agents Sourcegraph
  23. Connects context engineering to harness design in three principles. hugobowne.substack.com Article · How Founders Use AI AI Agent Harness, 3 Principles for Context Engineering, and the Bitter Lesson Revisited Hugo Bowne-Anderson
  24. Notes from the two leading teams comparing approaches live. medium.com Article · How Founders Use AI Inside the LangChain x Manus Webinar on Context Engineering Duarte Caldas Cardoso

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms
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