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. How a major platform maps each OWASP risk to concrete mitigations. microsoft.com Article · How Founders Use AI Addressing the OWASP Top 10 Risks in Agentic AI Microsoft Security
  2. A current-year synthesis tying the main threats to a defense stack. airia.com Article · How Founders Use AI AI Security in 2026: Prompt Injection, the Lethal Trifecta, and How to Defend Airia
  3. Anthropic's launch post explaining the problem MCP was made to solve. anthropic.com Article · How Founders Use AI Introducing the Model Context Protocol Anthropic
  4. The official introduction: what MCP connects, the USB-C comparison, and how clients and servers fit together. modelcontextprotocol.io Guide · How Founders Use AI What is the Model Context Protocol (MCP)? Model Context Protocol
  5. The contrarian essay from the Devin team that reset the industry's defaults. cognition.com Article · How Founders Use AI Don't Build Multi-Agents Walden Yan (Cognition)
  6. The thread version of the argument, with the mistakes he keeps seeing. x.com Thread · How Founders Use AI Walden Yan: principles for building agents Walden Yan
  7. The honest update: some multi-agent setups now work, most sexy ideas still don't. x.com Thread · How Founders Use AI Walden Yan: a year later, what changed Walden Yan
  8. The follow-up naming the specific multi-agent patterns that survived production. cognition.com Article · How Founders Use AI Multi-Agents: What's Actually Working Cognition
  9. The other side of the debate: a 90% performance gain, at 15x the tokens. anthropic.com Article · How Founders Use AI How we built our multi-agent research system Anthropic
  10. Anthropic's own decision rules for graduating beyond a single agent. claude.com Article · How Founders Use AI When to use multi-agent systems (and when not to) Anthropic
  11. Shows why Cognition and Anthropic are both right about different problems. philschmid.de Article · How Founders Use AI Single vs Multi-Agent System? Philipp Schmid (Google DeepMind)
  12. The architecture broken down with diagrams a non-researcher can follow. blog.bytebytego.com Article · How Founders Use AI How Anthropic Built a Multi-Agent Research System ByteByteGo
  13. 200+ analyzed tasks and 14 failure modes, the evidence behind the caution. arxiv.org Article · How Founders Use AI Why Do Multi-Agent LLM Systems Fail? UC Berkeley (MAST)
  14. The digestible summary of where multi-agent systems break. sky.cs.berkeley.edu Article · How Founders Use AI MAST project page UC Berkeley Sky Computing Lab
  15. A neutral recap of the whole debate if you want it in ten minutes. ctol.digital Article · How Founders Use AI AI Leaders Clash Over Agent Architecture CTOL Digital
  16. Frames the choice as a coordination-cost calculation, which is the right lens. cognilium.ai Article · How Founders Use AI Multi-Agent vs Single Agent: When It's Worth the Cost Cognilium
  17. Extracts the engineering lessons hiding inside Anthropic's post. llmmultiagents.com Article · How Founders Use AI The Art of Multi-Agent Collaboration: Reflections on Anthropic's Research System LLM Multi Agents
  18. Maps each MAST failure mode to a practical fix. futureagi.substack.com Article · How Founders Use AI Why do multi-agent LLM systems fail (and how to fix) Future AGI
  19. The paper's findings retold for people who won't read a paper. thegrigorian.medium.com Article · How Founders Use AI Why Do Multi-Agent LLM Systems Fail? (explainer) Anna Alexandra Grigoryan
  20. The case study written for someone deciding whether to copy the pattern. zenml.io Article · How Founders Use AI Anthropic's multi-agent research system (LLMOps case study) ZenML
  21. A CEO describing non-technical teammates shipping via the terminal. x.com Thread · How Founders Use AI Dan Shipper: Claude Code cracked something open for us Dan Shipper
  22. The clearest head-to-head, including advice for non-technical founders. builder.io Article · How Founders Use AI Claude Code vs Cursor: What to Choose Builder.io
  23. Covers the other big coding agent so you compare all three. builder.io Article · How Founders Use AI Codex vs Claude Code: which is the better AI coding agent? Builder.io
  24. A long-term usage report rather than a launch-week hot take. thenewstack.io Article · How Founders Use AI Claude Code vs. Cursor vs. Codex vs. Antigravity, six months in The New Stack

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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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